Love Alarm

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Love Alarm
Love Alarm.jpg
Promotional poster
Hangul좋아하면 울리는
Based onLove Alarm
by Chon Kye-young
Developed byJiyoung Park
for Studio Dragon
Written by
  • Lee Ah-yeon (Season 1)
  • Seo Bo-ra (Season 1-2)
  • Kim Sae-bom
  • Cleofe P-Aseqia (Season 1-2)
Directed by
  • Lee Na-jung (Season 1)
  • Kim Jin-woo (Season 2)
  • Park Yoo-yeong (Season 2)
Ending themeIn My Dreams by Tearliner [ko] feat. Love X Stereo
Country of originSouth Korea
Original languageKorean
No. of seasons1
No. of episodes8 (list of episodes)
Executive producerJinyee Kim
ProducerKijae Kim
Camera setupSingle-camera
Running time42–56 minutes
Production companies
Original network
Picture format4K (16:9 UHDTV)
Audio formatDolby Digital
Original releaseAugust 22, 2019 (2019-08-22) –
present (present)

Love Alarm (Korean좋아하면 울리는; RRJoahamyeon Ullineun) is a South Korean drama television series based on the Daum webtoon of the same name by Chon Kye-young. It stars Kim So-hyun, Jung Ga-ram, and Song Kang. [4] The series premiered on Netflix on August 22, 2019.[5][6][7] The series was a commercial success, ranking as one of Netflix's top releases in 2019,[8] and thus, renewed for a second season on October 29, 2019.[9]


Love Alarm revolves around the story of a disruptive technology that enables users to discover love through an application that notifies whether someone within the vicinity of a 10-meter radius has romantic feelings for them.[1]



A beautiful and hardworking girl who is bright and cheerful despite her family's painful history.[10]
  • Song Kang as Hwang Sun-oh
    • Kim Ji-woo as young Sun-oh
A handsome model who grew up in a rich family and likes Jo-jo.[11]
  • Jung Ga-ram as Lee Hye-yeong
    • Jung Ji-hoon as young Hye-young
Sun-oh's best friend who likes Jo-jo.



Jo-Jo's best friend. She secretly likes Il-sik.
A vibrant judo student and Jo-jo's ex-boyfriend.[12]
Jo-jo's cousin. She is a popular girl at school who likes Sun-oh but is asked out by Cheong Duk Gu, developing hatred for him.[13]
  • Lee Jae-eung as Cheong Duk Gu
Developer of the Love Alarm application.[14]
  • Choi Joo-won as Sun-oh's playful and energetic high school classmate.[15]

Parents and relatives[edit]

A popular actress who has a distant relationship with her son Sun-oh.
A very loving and caring mother to Hye-Young.[15]
  • Park Sung-yun as Jojo's aunt and Gul-mi's mother.
  • Yeom Ji-young as Jo-jo's mother.
  • Kim Young-ok as Jo-jo's grandmother.


A popular idol star.[16]
Sun-Oh's new girlfriend.
  • Jo Yoo-jung as Mon Sun
Jo-jo's wedding hall co-worker.


Season 1 (2019)[edit]

No.TitleDirected byWritten byOriginal release date
1"The Flash of Lightning Before It Thunders"Lee Na-jungLee Ah-yeon, Seo Bo-ra & Kim Sae-bomAugust 22, 2019 (2019-08-22)
2"There’s Nothing Anyone Can Do When You Like Someone"Lee Na-jungLee Ah-yeon, Seo Bo-ra & Kim Sae-bomAugust 22, 2019 (2019-08-22)
3"The Miracle of Two People Liking Each Other"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)
4"The Best Feeling in the World Is Knowing There’s Someone on My Side"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)
5"The Gravity of Liking Someone"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)
6"Your Heart Is Safe Now"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)
7"Something I’ve Been Holding Back and Can Only Say to You"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)
8"One Is Bigger Than Any Other Number in the World"Lee Na-jungLee Ah-yeon & Seo Bo-raAugust 22, 2019 (2019-08-22)



On January 5, 2017, Netflix announced that it would produce its first original South Korean television series, with a release planned for 2018.[17] The premiere date was eventually pushed back to August 2019.

In an interview, director Lee Na-jeong mentioned that the production of a second season was dependent on the first season's popularity.[18] On October 29, 2019, Netflix renewed the series for a second season.[9] The first script reading took place on February 21, 2020.[19]


The male lead role was initially offered to Ahn Hyo-seop but he declined the offer.[20]

Lee Na-jung cast Kim So-hyun as Jojo because of a high synchronisation rate in appearance and her rich acting skills that were beyond her age.[21] Moreover, Kim was the first choice to play Kim Jo-jo of Love Alarm webtoon author Chon Kye-young and online fans.[22] When explaining the reason for casting Jung Ga-ram, the director praised his eyes, saying they were lyrical, clear, and clean, not like other actors in their 20s these days.[23] Meanwhile, Song Kang went through audition competing with 900 people and got cast.[24]


Love Alarm held an interactive experience zone from August 18 to September 1, 2019 at Lotte World Tower World Park Square. Each space was decorated as if the app function in the drama is visualized in reality and gave a romantic experience to lovers, friends, and family who visited the place.[25] Moreover, an app that looks like the one in the series has been released for the promotion events, but it works differently.[26][18]


Forbes's Joan MacDonald finds that Kim So-hyun fits well with the character Jojo. For MacDonald, it is interesting that the two main characters kiss already in the first episode, without being a couple or before confessing their love. This is unusual for Korean dramas.[27] For Stephen McCarty from the South China Morning Post, Love Alarm is not only an innocent love story but also deals with data protection, gay rights, the extreme consequences of heartache, and smartphone invasion.[28][29] Kim Minyoung, director of content at Netflix Korea describes the drama as "focused on unique storytelling with creative edges in their narrative".[30]

According to a survey conducted by SBS, Love Alarm ranked first among the Korean dramas in 2019.[31] On December 30, 2019, Netflix unveiled the 10 Most Loved Shows in Korea in 2019, in which the series was ranked eighth on the list.[32]

Original soundtrack[edit]

The soundtrack of Love Alarm includes seven main theme songs and fourteen background music.[33] It was released through several music portals, including Melon, iTunes, and Spotify.[34][35][36]

Love Alarm OST
Soundtrack album by
Various artists
ReleasedSeptember 6, 2019
CD 1
1."Love Alarm" (feat. Taru [ko])Tearliner [ko]TearlinerTearliner1:46
2."In My Dreams" (feat. Love X Stereo)Annie KoTearlinerTearliner4:05
3."Falling Again"
  • Chairman
  • 이광희
  • Hodge
4."A Man for All Seasons" (feat. Zitten [ko])
  • Mini
  • Tearliner
  • Tearliner
5."In My Little Mind"
  • Chairman
  • 이광희
  • Hodge
6."Blooming Story" (feat. Jo Hae-jin)
  • Mini
  • Tearliner
Sentimental SceneryTearliner2:44
7."In My Dreams (Acoustic Ver.)" (feat. Love X Stereo)
  • Annie Ko
  • Tearliner
Total length:25:04
CD 2
1."Morning Alarm"TearlinerJeon Hye-rimTearliner1:12
2."Raindrop"Kim Wan-jungKim Wan-jungKim Wan-jung2:06
3."Bygones"TearlinerKang Ji-hoonTearliner1:59
4."I Won't Heartbreaken"
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Hyun Hyun Seo
  • Min Ji Young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
5."We Finally"TearlinerSentimental SceneryTearliner1:38
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Hyun Hyun Seo
  • Min Ji Young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
7."Dawn Whisper"TearlinerSentimental SceneryTearliner1:39
8."Two Hearts"
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Hyun Hyun Seo
  • Min Ji Young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
9."Miss September"TearlinerSentimental SceneryTearliner1:23
10."At the Bus Stop"
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Hyun Hyun Seo
  • Min Ji Young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
  • Hyun Hyun Seo
  • Min Ji Young
  • Lee Kwang-hee
  • Seo Hyun-il
  • Min Ji-young
12."Mirroring"TearlinerSentimental SceneryTearliner1:44
  • Lee Kwang-hee
  • Seo Hyun-il
Seo Hyun-il
  • Lee Kwang-hee
  • Seo Hyun-il
14."Voice"Sentimental ScenerySentimental ScenerySentimental Scenery2:09
Total length:39:07


  1. ^ a b "Netflix Picks Up 'Love Alarm' as First South Korean Original". The Hollywood Reporter. April 1, 2017.
  2. ^ "스튜디오드래곤 측 "김소현 '좋아하면 울리는' 출연? 확정 NO" [공식]". Hankook Ilbo (in Korean). July 13, 2018.
  3. ^ "Spackman Entertainment Group's Frame Pictures Wins Camera Equipment Deal for Netflix's First Korean Original Production LOVE ALARM". Asiaone. September 18, 2017.
  4. ^ "Netflix adaptation of 'Love Alarm' gets rolling". Korea JoongAng Daily. September 6, 2018.
  5. ^ "웹툰 원작 드라마 '좋아하면 울리는', 김소현X정가람X송강 주연 확정". Maeil (in Korean). December 24, 2018.
  6. ^ "With 'Love Alarm,' finding love is supposed to be easy". Korea JoongAng Daily. August 21, 2019.
  7. ^ "K-drama 'Love Alarm' Asks If A Love App Would Make Love Easier". Forbes. August 22, 2019.
  8. ^
  9. ^ a b Chambers, Hannah (October 31, 2019). "Here's the Deal With Season 2 of Netflix's 'Love Alarm'". Cosmopolitan. Retrieved November 6, 2019.
  10. ^ "김소현, 넷플릭스 '좋아하면 울리는' 출연 확정 [공식입장]". TV Report (in Korean). October 18, 2018.
  11. ^ "[단독] 송강, '좋아하면 울리는' 남주인공 낙점...김소현과 호흡". YTN (in Korean). September 17, 2018.
  12. ^ "[공식]신예 신승호 '좋아하면 울리는' 캐스팅…"김소현과 호흡"". Sports Chosun (in Korean). December 24, 2018.
  13. ^ "[공식입장] 고민시, 넷플릭스 '좋아하면 울리는' 출연…악역 변신". XSportsNews (in Korean). December 26, 2018.
  14. ^ "배우 이재응, 넷플릭스 오리지널 시리즈 '좋아하면 울리는' 캐스팅". The Web Daily (in Korean). January 14, 2019.
  15. ^ a b "신예 최주원, 김소현 주연 '좋아하면 울리는' 캐스팅". SportsSeoul (in Korean). February 8, 2019.
  16. ^ "'SKY캐슬' 송건희, 넷플릭스 '좋아하면 울리는' 캐스팅 [공식]". TvReport (in Korean). February 11, 2019.
  17. ^ "Netflix to make its first Korean original series 'Love Alarm'". The Korea Times. January 5, 2017.
  18. ^ a b Justin (2019-08-22). "Love Alarm: 7 Fun Facts About Netflix's New Kdrama Series".
  19. ^ "'좋아하면 울리는2' 김소현→송강, 대본 리딩 현장 공개…시즌2 첫걸음". Sports Donga (in Korean). February 24, 2020.
  20. ^ "안효섭 측 "'좋아하면 울리는' 출연 제안만…확정 NO" [공식입장]". My Daily (in Korean). August 16, 2018.
  21. ^ "'좋아하면 울리는' 이나정 감독 "김소현 섭외 이유? 높은 싱크로율+풍부한 연기력"". My Daily (in Korean). August 20, 2019.
  22. ^ Maggie Adan (August 30, 2019). "An Honest Review Of 'Love Alarm'". CosmopolitanPh.
  23. ^ "'좋아하면 울리는' 정가람 "원작부터 혜영파…적극적으로 어필"". SpoTvNews (in Korean). August 20, 2019.
  24. ^ "'좋아하면 울리는' 송강 "900대1 뚫었다? 후회없이 오디션"". SpoTvNews (in Korean). August 20, 2019.
  25. ^ "'좋아하면 울리는', 설렘 체험존 '좋아하면 울리는, 늦여름' 오픈". XSportsNews (in Korean). August 19, 2019.
  26. ^ "좋알람 Joalarm - 좋아하면 울리는". Play Store.
  27. ^ Joan MacDonald (August 22, 2019). "K-drama 'Love Alarm' Asks If A Love App Would Make Love Easier". Forbes.
  28. ^ Stephen McCarty (September 8, 2019). "Netflix's Love Alarm – a sweet, starry-eyed romantic drama from South Korea". Forbes.
  29. ^ "LOVE ALARM: SEASON 1 (2019)". Rotten Tomatoes. Retrieved October 8, 2019.
  30. ^ Joan MacDonald (December 15, 2019). "2019 Korean Drama Trends Featured More Working Women, Fantasy Plots And Webtoon Inspiration". Forbes. Retrieved 2019-12-27.
  31. ^ "Best K-dramas of 2019: as voted by you!". SBS. Popasia. December 23, 2018.
  32. ^ Jo Kyung-hwa (December 30, 2018). "10 most loved Netflix works in Korea in 2019". Financial News.
  33. ^ "'좋아하면 울리는' OST 앨범 발매...'커피프린스 1호점' 음악감독 참여". Heraldpop (in Korean). September 6, 2019.
  34. ^ a b "[OST] 좋아하면 울리는 OST". (in Korean). September 6, 2019.
  35. ^ "Love Alarm (Original Soundtrack) by Various Artists". iTunes. Apple Inc. September 6, 2019.
  36. ^ "Love Alarm 좋아하면 울리는 (Original Soundtrack)",, September 6, 2019

External links[edit]