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My Only One

Title: 하나뿐인 내편 / My Only One
Also known as: Only on My Side / My Only Ally
Previously known as: 아름다운 내 편 / My Beautiful Ally
Chinese Title: 我的唯一守護者
Genre: Romance
Episodes: 106
Broadcast network: KBS2
Broadcast period: 2018-Sep-15 to 2019-Mar-17
Air time: Saturday & Sunday 19:55 (2 episodes back-to-back)


This drama is about a woman who loses everything one day, when she discovers that her parents are not her biological ones, and that they are also murderers. It is the story of someone who will live boldly while putting back together the pieces of her life broken by love.


Main Cast

Choi Soo Jong as Kang Soo Il (Kim Dong Chul)
Lee Joon Seo as Soo Il (child)
Uee as Kim Do Ran
Kim Soo In as Kim Do Ran (child)
Lee Jang Woo as Wang Dae Ryook
Yoon Jin Yi as Jang Da Ya
Jung Eun Woo as Wang Yi Ryook (Dae Ryook’s younger brother)
Na Hye Mi as Kim Mi Ran (Do Ran’s younger sister)
Kang Joo Ha as Kim Mi Ran (Child)
Park Sung Hoon as Jang Goo Lae

Kim Do Ran’s Family

Lee Doo Il as Kim Dong Chul (Do Ran’s father)
Song Joon Hee as Dong Chul (young)
Im Ye Jin as So Yang Ja
Park Hyun Jung as Yeon Yi (Do Ran’s biological mother)
Lee Kyung Shim as So Yang Soon (Yang Ja’s younger sister)

People around Kim Do Ran

Im Ji Hyun as Yoo Jin (Do Ran’s friend)
Lee Yong Yi as Geum Ok (Yoo Jin’s grandmother)
Song Won Suk as Lee Tae Poong (Bakery employee)
Song Yong Shik as Park Dong Won (Soo Il’s friend)

People around Wang Dae Ryook

Jung Jae Soon as Park Geum Byung (Dae Ryook’s grandmother)
Park Sang Won as Wang Jin Gook (Dae Ryook’s father)
– Ji Yun Woo (지연우) as Jin Gook (young)
Cha Hwa Yun as Oh Eun Young (Dae Ryook’s mother)

People around Dae Ryook

Kim Chang Hoi (김창회) as Secretary Hong
Lee Seung Hyung as Chief Yang
Kim Choo Wol as Yeo Joo Daek (Wang family housekeeper)
Hwang Geum Byul as Miss Jo (Wang family housekeeper)

Da Ya’s family

Lee Hye Sook as Na Hong Sil (Da Ya’s mother)
Jin Kyung as Na Hong Joo (Da Ya’s aunt)
Jung Tae Ya (정태야) as Jang Dae Ho (Go Rae & Da Ya’s father)
Choi Dae Chul as Dae Ho (young)
Kim Kyu Chul as Jang Dae Hoon (Dae Ho’s older brother, Go Rae & Da Ya’s uncle)


Lee Sang Goo (이상구) as Father Peter
Kim Kwang In as Doctor Kim
Kang Chul Sung (강철성) as Kim Soo Hyuk (Gangnam Police Station Homicide Detective)
Kim Joo Ryung as Park Mi Ok (Fake Myung Hee)
Kim Hee Ryung as Kyung Ja (Eun Young and Hong Shil’s friend)
Yook Mi Ra (육미라) as Go Young Suk (Eun Young and Hong Shil’s friend)
Park Sung Kyun (박성균) as Restaurant Manager
Lee Joo Bin (이주빈) as Yi Ryook’s restaurant’s employee
Lee Se Rang (이세랑) as Yang Soon’s friend
Lee Young Suk as Noh Sook Ja (Loan shark)
Min Joon Hyun as Gyo Do Gwan (Prison officer)
Lee Sang Hoon (이상훈) as Byun Tae Suk (Hong Joo’s ex-husband)
Go Na Eun as Jang So Young (JS Group President’s daughter)
Kil Yong Woo
Lee Hwi Hyang
Na Moon Hee
Kang Sung Min
Lee Joon Hyuk


Kim Sun Geun (김선근) as Yi Ryook and Da Ya’s wedding officiant
Park Ha Na as Sung Soo Hyun (Daughter of Q Pharmaceuticals)
Jung Hun (정헌) as Seung Joon (Go Rae’s friend)

Production Credits

Director: Hong Suk Goo
Screenwriter: Kim Sa Kyung


2018 KBS Drama Awards – Best Screenwriter Award: Kim Sa Kyung (My Only One)
2018 KBS Drama Awards – Rookie Awards (Actor): Park Sung Hoon (My Only One)
2018 KBS Drama Awards – Best Couple Awards: Choi Soo Jong & Jin Kyung (My Only One)
2018 KBS Drama Awards – Best Couple Awards: UEE & Lee Jang Woo (My Only One)
2018 KBS Drama Awards – Best Supporting Actress: Yoon Jin Yi (My Only One)
2018 KBS Drama Awards – Excellence Actress (Long Series): UEE (My Only One)
2018 KBS Drama Awards – Excellence Actor (Long Series): Lee Jang Woo (My Only One)
2018 KBS Drama Awards – Top Excellence Actress: Cha Hwa Yeon (My Only One)
2018 KBS Drama Awards – Top Excellence Actor: Choi Soo Jong (My Only One)

Episode Ratings

2018-09-15120.8-21.2 (2nd)19.9 (2nd)
2018-09-15224.6-24.3 (1st)22.7 (1st)
2018-09-16322.7-22.8 (2nd)21.3 (2nd)
2018-09-16426.3-25.6 (1st)23.9 (1st)
2018-09-22518.2-17.2 (2nd)15.6 (2nd)
2018-09-22621.4-21.5 (1st)19.7 (1st)
2018-09-23718.9-17.6 (2nd)16.8 (2nd)
2018-09-23821.9-20.6 (1st)19.9 (1st)
2018-09-29923.0-21.8 (2nd)20.0 (2nd)
2018-09-291027.7-27.1 (1st)25.6 (1st)
2018-09-301127.0-25.5 (2nd)24.5 (2nd)
2018-09-301230.8-29.3 (1st)27.9 (1st)
2018-10-0613--24.7 (2nd)23.5 (2nd)
2018-10-0614--27.3 (1st)25.9 (1st)
2018-10-071525.8-25.0 (2nd)23.8 (2nd)
2018-10-071629.5-29.4 (1st)27.9 (1st)
2018-10-131722.8-21.6 (2nd)19.5 (2nd)
2018-10-131826.9-25.9 (1st)24.1 (1st)
2018-10-141926.4-26.1 (2nd)24.0 (2nd)
2018-10-142031.3-30.1 (1st)27.8 (1st)
2018-10-202126.9-24.9 (2nd)23.4 (2nd)
2018-10-202227.4-25.7 (1st)23.8 (1st)
2018-10-212327.7-27.1 (2nd)25.3 (2nd)
2018-10-212431.7-31.2 (1st)29.3 (1st)
2018-10-272524.9-23.1 (2nd)21.7 (2nd)
2018-10-272629.2-27.9 (1st)26.9 (1st)
2018-10-282729.2-27.6 (2nd)25.9 (2nd)
2018-10-282833.6-32.6 (1st)31.1 (1st)
2018-11-032926.2-25.0 (2nd)23.0 (2nd)
2018-11-033030.0-29.6 (1st)27.7 (1st)
2018-11-043127.9-28.5 (2nd)26.8 (2nd)
2018-11-043232.6-33.3 (1st)31.5 (1st)
2018-11-103325.4-23.9 (2nd)22.1 (2nd)
2018-11-103429.4-28.8 (1st)27.0 (1st)
2018-11-113528.4-33.1 (1st)27.2 (2nd)
2018-11-113633.9-28.4 (2nd)32.0 (1st)
2018-11-173726.8-26.7 (2nd)24.6 (2nd)
2018-11-173830.3-30.2 (1st)28.0 (1st)
2018-11-183929.7-28.7 (2nd)26.4 (2nd)
2018-11-184036.1-33.9 (1st)31.8 (1st)
2018-11-244128.3-26.2 (2nd)23.8 (2nd)
2018-11-244233.4-31.8 (1st)29.3 (1st)
2018-11-254332.8-30.7 (2nd)28.4 (2nd)
2018-11-254436.4-34.8 (1st)32.3 (1st)
2018-12-014528.6-26.2 (2nd)24.5 (2nd)
2018-12-014632.8-31.0 (1st)29.3 (1st)
2018-12-024732.8-31.5 (2nd)30.1 (2nd)
2018-12-024837.5-36.3 (1st)34.6 (1st)
2018-12-084929.3-26.2 (2nd)24.9 (2nd)
2018-12-085033.8-30.8 (1st)29.1 (1st)
2018-12-095132.0-31.3 (2nd)28.6 (2nd)
2018-12-095236.8-36.1 (1st)33.8 (1st)
2018-12-155326.4-26.6 (2nd)25.7 (2nd)
2018-12-155431.8-31.6 (1st)30.7 (1st)
2018-12-165530.3-32.1 (2nd)30.8 (2nd)
2018-12-165635.3-36.2 (1st)34.8 (1st)
2018-12-225725.2-28.1 (2nd)27.0 (2nd)
2018-12-225830.5-33.7 (1st)32.2 (1st)
2018-12-235932.0-32.5 (2nd)30.6 (2nd)
2018-12-236035.8-36.8 (1st)34.9 (1st)
2018-12-306131.2-31.7 (2nd)31.4 (2nd)
2018-12-306234.7-35.9 (1st)35.4 (2nd)
2019-01-056328.5-29.2 (2nd)27.3 (2nd)
2019-01-056432.2-34.8 (1st)32.8 (1st)
2019-01-066531.2-32.4 (2nd)30.4 (2nd)
2019-01-066637.2-37.7 (1st)36.1 (1st)
2019-01-126729.7-30.8 (2nd)29.6 (2nd)
2019-01-126834.7-35.2 (1st)33.8 (1st)
2019-01-136933.0-35.1 (2nd)33.0 (2nd)
2019-01-137038.8-41.6 (1st)39.2 (1st)
2019-01-197129.6-32.5 (2nd)32.0 (2nd)
2019-01-197235.3-37.1 (1st)36.2 (1st)
2019-01-207332.9-35.2 (2nd)33.4 (2nd)
2019-01-207438.9-41.0 (1st)39.4 (1st)
2019-01-267530.5-32.2 (2nd)30.9 (2nd)
2019-01-267636.6-37.6 (1st)36.3 (1st)
2019-01-277734.5-35.5 (2nd)34.3 (2nd)
2019-01-277840.3-39.9 (1st)38.5 (1st)
2019-02-027929.5-31.3 (2nd)29.5 (2nd)
2019-02-028035.3-37.5 (1st)36.4 (1st)
2019-02-038132.5-34.7 (2nd)34.1 (2nd)
2019-02-038237.9-39.3 (1st)38.9 (1st)
2019-02-098330.7-32.0 (2nd)31.2 (2nd)
2019-02-098436.0-36.9 (1st)36.1 (1st)
2019-02-108533.8-35.9 (2nd)33.5 (2nd)
2019-02-108638.1-38.4 (1st)37.1 (1st)
2019-02-168728.8-31.8 (2nd)30.3 (2nd)
2019-02-168835.5-37.7 (1st)36.2 (1st)
2019-02-178934.8-37.6 (2nd)35.8 (2nd)
2019-02-179041.0-42.6 (1st)41.1 (1st)
2019-02-239132.8-33.8 (2nd)32.3 (2nd)
2019-02-239238.7-39.3 (1st)37.6 (1st)
2019-02-249338.8-39.7 (2nd)37.8 (2nd)
2019-02-249444.4-44.6 (1st)43.1 (1st)
2019-03-029533.3-34.9 (2nd)33.7 (2nd)
2019-03-029639.4-40.8 (1st)40.1 (1st)
2019-03-039739.2-41.4 (2nd)39.6 (2nd)
2019-03-039845.8-46.2 (1st)44.7 (1st)
2019-03-099935.2-37.6 (2nd)36.4 (2nd)
2019-03-0910040.9-42.9 (1st)42.1 (1st)
2019-03-1010140.3-44.1 (2nd)42.1 (2nd)
2019-03-1010246.1-49.4 (1st)47.3 (1st)
2019-03-1610335.9-37.6 (2nd)37.2 (2nd)
2019-03-1610441.9-43.8 (1st)44.0 (1st)
2019-03-17105--42.8 (2nd)41.7 (2nd)
2019-03-17106--48.9 (1st)47.7 (1st)

Sources: TNmS Media Korea & AGB Nielsen Korea

*** Different between TNmS Media Korea & AGB Nielson – Here


Related Photo

(Other Photo from Official Site)

Official Site

Official Poster

Official Trailer
Trailer I
Trailer II

Watch Online in Viki.com (Coming Soon)


  1. 1 : Fazila binti Abdillah Says:

    Yeah.. first comment..

  2. 2 : Ikram Says:

    Uee my favorite actress is back is back

  3. 3 : Ikram Says:

    Uee my favorite actress is back is back .fighting

  4. 4 : OK OK OK Says:

    UEE and Lee Jang Woo – both I like because both good looking, likable and can act 😛

  5. 5 : Sinopsis My Only One Says:

    i cannot waiting this drama

  6. 6 : Um hassan Says:

    Je suis tres tres contented be voir choi soon jong

  7. 7 : roll the ball Says:

    OH MY GOD I’m so fucking happy, my couple is coming back :))

  8. 8 : Sinopsis Drama My Only One / Only on My Side Lengkap - Dailysia Says:

    […] Dikenal juga sebagai: Only on My Side / My Only Ally […]

  9. 9 : OK OK OK Says:

    Admin nim
    Today is dated 17 September 2018 Monday morning when i am reading this.

    How come the ratings result already out for 22 and 23 September 2018 which is this coming weekend Saturday and Sunday – which the drama not air yet??? PUZZLE……. 😛

  10. 10 : So What Says:

    I’m really sick and tired of the Korean mentality that “adoption” is something to be ashamed of. People cant help if their biological parents couldn’t take care of them for whatever reason. Almost every drama has this element. This “real” shit has just gone to far.

  11. 11 : Precious Says:

    OMG this is drama is moving along quite fast. Good job!!!!

  12. 12 : Uraya Says:

    Uee is great actress .all the cast did well. Highly recommended drama

  13. 13 : Thalia Says:

    The drama is wow .i become obssessed with it especialy uee and lee jang woo

  14. 14 : K-Family Fan Says:

    As long is KBS Family Drama never go wrong, always the ratings is the top of all because only 1 family drama station monopolize in Korea. Don’t expect good or not?

  15. 15 : Saini Tuitele Mitchell Says:

    Really like Uee and Lee Jang Woo, they are hilarious in their bantering. Looking forward when their romance progresses…hahaha! He’s going to try all kinds of ways to win her over, but she is going to give him the cold should, at least that’s what I’m expecting, seeing he teased her about those fake dizzy spells…hehehe

  16. 16 : robert Says:

    l love this romance drama

  17. 17 : Tiffany Says:

    Very good, I think I found the knowledge I needed. I will see and refer some information to your post. thank you.

  18. 18 : SHU (@StylishShu) Says:

    Love love this drama. Miss Lee Jang Woo. He has such charisma. Though he’s slightly ‘plump’, he still looks dashing. And Uee makes you want to love her. Wonder why her relationships didn’t work so far.
    I had wanted to let this drama run its course before watching because I can’t stand waiting for the next episode!
    True, I just watch. Cannot wait!
    Lee Jang Woo and Uee, Fighting!

  19. 19 : Chae Won Says:

    It’s hilarious when the grandmother flips. ROTFL!

  20. 20 : mml Says:

    Now, I am really looking forward to watch episode 37. I really hope that, Jang Goo Lae will fall in love with Kim Mi Ran . Mi Ran is a person showing no confident of herself, maybe, the handsome guy Jang Goo Lae can take care of her and protect her to strengthen her confidence and don’t be a “cry baby’ who always like to cry.

  21. 21 : mml Says:

    I really like Kim Mi Ran , she’s cute ,funny and a straight forward person . Why is it , she is always drinking beer and always get drunk ? Kim Mi Ran is a pitiful person , it seems that, she did not go to fun land to play and also never go to watch movies, as she has no money .

    At her age, Mi Ran missed out a lot of happiness without her father. Let’s hope that, the subsequent later episodes with show some happiness that Mi Ran can get……. ….

  22. 22 : YDG Says:

    I hope the actresses playing Da ya and the mother in law will act less than what’s being asked for…they ardm overacting. I like UEE a lot! Natural acting. 😊

  23. 23 : annmasae Says:

    I can’t believe Choi Soo Jong was the main actor in Emperor of the Sea. That was one of my favorite dramas of all time even if it had a terrible ending. I hope he finds happiness after being in prison and living a sad life.
    @mml I totally agree with you. I wish Mi Ran and Mr. “Unemployed” find happiness together. I can hardly wait to see his mother’s reaction when she finds out who her doctor son decides to date.

  24. 24 : Amy Says:

    I’m not very fond of Uee but the drama looks good. The ratings also looks promising. Should i watch it or not?

  25. 25 : Joy Says:

    Great drama. All actor play very well and touchingly. I also like loving between Jang Goo Lae and Kim Mi Ran because it look cute, innocent and is not too dramatic. Hope that this drama will have
    be happy and beautiful ending.

  26. 26 : OK OK OK Says:

    I just started few days ago and i manage to keep chasing the drama until episode 48. Very funny and exciting so far. hope is a good happy ending drama 😛
    I love UEE & Lee Jang Woo.

  27. 27 : mml Says:

    I like to watch this drama and something that, I really don’t understand is that, Kim Mi Ran has been working for quite a long time as part-time employee as game shop assistant staff . And when is Kim Mi Ran going to work as full-time job at Radio station or TV station ?

    The romance for Kim Do Ran , viewers already received a very happy answer that, Kim Do Ran married to a good family .

    But the romance for Kim Mi Ran right now , really looks like a ‘blank paper’. Don’t know will the dentist doctor Jang Goo Lae will fall in love with Mi Ran ???

  28. 28 : mml Says:

    Let’s hope that the dentist Jang Goo Lae will fall in love with Mi Ran . Looks like Mi Ran likes the dentist Jang Goo Lae , but mistaken him as Mr Unemployed. Like that, how to pair them up together and they don’t keep in touch with each other anymore ?? Like that , how ???

  29. 29 : Baby Tualla Says:

    They have chemistry and good actor and actress. Nice story line the story writer and director collaborates well.

  30. 30 : Tt Says:

    Since when they increased to 100 episodes? Thought it was 50. Giving up…too long winded and draggy.

  31. 31 : OK OK OK Says:

    At episode 60 and thought why the story seems not ending. I was shocked it was extended to episode 100.
    Aigoo…… it should be short and sharp. Not draggy. Hope it turns out interesting…. 🙁

  32. 32 : OK OK OK Says:

    Writer Nim, another 5 episodes will do. Please do not be too draggy if not you will loose many viewers. My sister gave up already. No stamina already. Wait your ratings drop. Otoke??? 🙁

  33. 33 : linkie Says:

    Seems this drama is going on for ever without a good story line, its repeating itself too many times, so it is getting quite boring

  34. 34 : MaxT Says:

    After watching the KBS Drama Awards and heard the theme song “No One Else” was really good, so I’ll watch it despite I don’t know any one of the actor/actress. Hope it’s good.

  35. 35 : MaxT Says:

    This song is really good.

    Ulala Session – No Other Person Like You

  36. 36 : Blackbelter Says:

    this drama is so addictive i can’t seem to stop watching! i’m just annoyed with those two women in this drama well not only two but maybe 3 such as the WDR’s mom, Da Ya charac and fake mom of Do ran the rest are just fantastic, i’m not saying about their acting but their roles in this drama is just too overacting! i like do ran, DR, mr kang, grandma madam park, chairman plus go rae and miran!

  37. 37 : Leigh Bricken Says:

    Where are the drama OST’S?

  38. 38 : FrankC Says:

    To scriptwriter Kim who got an award, please don’t bring down the ratings especially in episode 64-65. I know you want to create suspense but che pai, don’t make Uee look stupid. Huh, huh, che pai, huh?

  39. 39 : MaxT Says:

    I watched the first 20 episodes and so far it was excellent. In fact, it has a very similar storyline as Shining Inheritance. This drama makes people cry a lot. The OST is amazing and I liked every single song. What a great drama to watch.

  40. 40 : caro Says:

    Does anyone know the name of the background song playing in Ep.74 when Kang Soo-il and Na hong-joo was in his apartment?

  41. 41 : Fairuz Ganteng Says:

    It’s recommended to watch…… full of tears even on episode 1

  42. 42 : cw Says:

    I wanted live in a foreign country for a while after I retire and thought would like S. Korea. However, seeing how there is so much class minded people without a lot of class. No respect for privacy, Uri sees a box with a lock and what does she do–she opens it. Doctors giving out private medical information; parents acting like pimps and forcing their children to give up someone they love for money and position. On top of that, foreigners don’t seem to be very welcomed unless they’re idols, actors, athletes, etc.

  43. 43 : Ela Says:

    Is do ran doesn’t love DR like him love her? Because after they are divorce, only DR who still sad, do ran continue her life with her father or she is to tire for explain everything, event for forgiveness because she loves him and can not choose the parents. Maybe because this is family drama, but I am sad for the story.

  44. 44 : YDG Says:

    Please, so many overacting actresses here, Da Ya, mother in law of Do Ran! Da Ya stop rolling your eyes, that’s not acting at all…So OVERACTING. 🙄

  45. 45 : FrankC Says:

    Episode 87 is so predictable. That’s why if dramas with this many episodes, the scriptwriter will write ridiculous & unrealistic scenes.

  46. 46 : dorie Says:

    Yeun Yang and Daya are doing a good job, but I find them over the top sometimes. Uee is natural, Lee Jang Woo. Very good plot. Miran is such a beautiful girl, perfect in all angles and with a beautiful smile, very nice white teeth..I found out she is actually Eric Moon’s wife, another good actor.

  47. 47 : tigerb Says:

    @cw#42: when i first started to watch s.k. dramas, i, too, was flabbergasted of how things were depicted. i wanted to give the benefit of the doubt that maybe the scenes were written because they were dramas, but repeating them in other dramas, there could be truth, that was why they were depicted. it’s a different culture.
    why don’t you try spain, or another european country?

  48. 48 : Fairuz Ganteng Says:

    Episode 102 is the best so far shiiiiit

  49. 49 : MaxT Says:

    This is the most touching and funniest K-drama to date. Jang Da Ya is the only person I hate cause she constantly making trouble picking bones out of nothing. All the songs are excellent.

    Highly recommended. 11/10

  50. 50 : Ling Says:

    Episode 102.
    Did everybody see that scene?
    Choi Soo Jong … superb

  51. 51 : Claudia Panaitoiu Says:

    one of the best drama ever, all actors fantastic

  52. 52 : Michael Says:

    Grandma was the best; she always pulled the hair of the right person.

  53. 53 : Chae Won Says:

    Loved this drama. Hilarious when the grandma has one of her episodes. The characters were just wonderful! Mossing them already,

  54. 54 : Mike Says:

    Best drama ever. Cant wait for final episodes tonight. Everyone was simply outstanding.

  55. 55 : dramalady Says:

    Love all the senior actresses in the drama. They all very dramatic and work very hard on their role. Grandma of course is the most adorable one.

  56. 56 : Kyrie Says:

    For me, the Best KDrama ever. I can rate this as 9.9/10 and 9.8/10 for “My Golden Life”. You won’t regret watching this from beginning to end. I was not surprised when it got the 49.4% rating (one of the highest ratings ever in korean dramas.) Uee/Doran’s acting is one of the best.

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