Love Alarm

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Love Alarm
Love Alarm.jpg
Promotional poster
Hangul좋아하면 울리는
Based onLove Alarm
by Chon Kye-young [ko]
Developed byJiyoung Park
for Studio Dragon
Written by
  • Lee Ah-yeon
  • Seo Bo-ra
  • Kim Sae-bom
Directed byLee Na-jung
Ending themeIn My Dreams by Tearliner [ko] feat. Love X Stereo
Country of originSouth Korea
Original language(s)Korean
No. of seasons1
No. of episodes8
Executive producer(s)Jinyee Kim
Producer(s)Kijae Kim
CinematographySpackman Entertainment Group[1]
Camera setupSingle-camera
Running time42–56 minutes
Production company(s)
Original network
  • Netflix
Picture format4K (16:9 UHDTV)
Audio formatDolby Digital
Original releaseAugust 22, 2019 (2019-08-22)

Love Alarm (Korean좋아하면 울리는; RRJoahamyeon Ullineun) is a South Korean romance television series. The series is based on the webtoon of the same name by Chon Kye-young [ko]. It stars Kim So-hyun, Jung Ga-ram and Song Kang. [4] The series premiered on Netflix on August 22, 2019.[5][6][7]


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.[2]



A young girl who is bright and happy despite her family's painful history.[8]
  • Jung Ga-ram as Lee Hye-yeong
    • Jung Ji-hoon as young Hye-young
Sun-oh's best friend who secretly likes Jo-jo.
  • 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.[9]



Jo-jo's best friend. She secretly likes Il-sik.
A vibrant judo student and was Jo-jo's boyfriend.[10]
Jo-jo's cousin. She is a popular girl at school and gets proposed by Cheong Duk Gu but she instead develops hatred for him.[11]
  • Lee Jae-eung as Cheong Duk Gu
Developer of the Love Alarm application.[12]
  • Choi Joo-won as Sun-oh's playful and energetic high school classmate.[13]

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.[13]
  • 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.[14]
  • Kim Si-eun as Yook-ji
Sun-Oh’s new girlfriend.
  • Jo Yoo-jung as Mon Sun
Jo-jo's wedding hall co-worker.


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.[15] The premiere date was eventually pushed back to August 2019.


The male lead role was initially offered to Ahn Hyo-seop but he declined the offer.[16]

Lee Na-jung casted Kim So-hyun as Jojo is because of high synchronisation rate in appearance and her rich acting skills that is beyond her age.[17] Moreover, Kim was the first choice to play Kim Jo-jo by Love Alarm webtoon author Chon Kye-young and online fans.[18] As 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.[19] Meanwhile, Song Kang went through audition competing with 900 people and got casted.[20]


Love Alarm held an interactive experience zone from August 18 to September 1 at Lotte World Tower World Park Square. Each space decorated as if the app function in the drama is visualized in reality and gives a romantic experience to lovers, friends and family who visited the place.[21] Moreover, an app has been released for the promotion events, that looks like the one in the series, but works differently.[22][23]

Original soundtrack[edit]

The soundtrack of "Love Alarm" released seven main theme songs and fourteen background music.[24] It was released through several music portals, including MelOn, iTunes, and Spotify.[25][26][27]

Love Alarm OST
Soundtrack album by
Various artists
ReleasedSeptember 6, 2019
CD 1
1."Love Alarm" (feat. Taru)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 SceneryTealiner2:44
7."In My Dreams" (feat. Love X Stereo) (Acoustic Ver.)
  • Annie Ko
  • Tearliner
  • Tearliner
Total length:25:04
CD 2
1."Morning Alarm"TealinerJeon Hye-rimTearliner1:12
2."Raindrops"Kim Wan-jungKim Wan-jungKim Wan-jung2:06
3."Bygones"TearlinerKang Ji-hoonTearliner1:59
4."I Won't Heartbroken"
  • 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. ^ "Spackman Entertainment Group's Frame Pictures Wins Camera Equipment Deal for Netflix's First Korean Original Production LOVE ALARM". Asiaone. September 18, 2017.
  2. ^ a b "Netflix Picks Up 'Love Alarm' as First South Korean Original". The Hollywood Reporter. April 1, 2017.
  3. ^ "스튜디오드래곤 측 "김소현 '좋아하면 울리는' 출연? 확정 NO" [공식]". Hankook Ilbo (in Korean). July 13, 2018.
  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. ^ "김소현, 넷플릭스 '좋아하면 울리는' 출연 확정 [공식입장]". TV Report (in Korean). October 18, 2018.
  9. ^ "[단독] 송강, '좋아하면 울리는' 남주인공 낙점...김소현과 호흡". YTN (in Korean). September 17, 2018.
  10. ^ "[공식]신예 신승호 '좋아하면 울리는' 캐스팅…"김소현과 호흡"". Sports Chosun (in Korean). December 24, 2018.
  11. ^ "[공식입장] 고민시, 넷플릭스 '좋아하면 울리는' 출연…악역 변신". XSportsNews (in Korean). December 26, 2018.
  12. ^ "배우 이재응, 넷플릭스 오리지널 시리즈 '좋아하면 울리는' 캐스팅". The Web Daily (in Korean). January 14, 2019.
  13. ^ a b "신예 최주원, 김소현 주연 '좋아하면 울리는' 캐스팅". SportsSeoul (in Korean). February 8, 2019.
  14. ^ "'SKY캐슬' 송건희, 넷플릭스 '좋아하면 울리는' 캐스팅 [공식]". TvReport (in Korean). February 11, 2019.
  15. ^ "Netflix to make its first Korean original series 'Love Alarm'". The Korea Times. January 5, 2017.
  16. ^ "안효섭 측 "'좋아하면 울리는' 출연 제안만…확정 NO" [공식입장]". My Daily (in Korean). August 16, 2018.
  17. ^ "'좋아하면 울리는' 이나정 감독 "김소현 섭외 이유? 높은 싱크로율+풍부한 연기력"". My Daily (in Korean). August 20, 2019.
  18. ^ Maggie Adan (August 30, 2019). "An Honest Review Of 'Love Alarm'". CosmopolitanPh.
  19. ^ "'좋아하면 울리는' 정가람 "원작부터 혜영파…적극적으로 어필"". SpoTvNews (in Korean). August 20, 2019.
  20. ^ "'좋아하면 울리는' 송강 "900대1 뚫었다? 후회없이 오디션"". SpoTvNews (in Korean). August 20, 2019.
  21. ^ "'좋아하면 울리는', 설렘 체험존 '좋아하면 울리는, 늦여름' 오픈". XSportsNews (in Korean). August 19, 2019.
  22. ^ "좋알람 Joalarm - 좋아하면 울리는". Play Store.
  23. ^ "Love Alarm: 7 Fun Facts About Netflix's New Kdrama Series". 2019-08-22.
  24. ^ "'좋아하면 울리는' OST 앨범 발매...'커피프린스 1호점' 음악감독 참여". Heraldpop (in Korean). September 6, 2019.
  25. ^ a b "[OST] 좋아하면 울리는 OST". (in Korean). September 6, 2019.
  26. ^ "Love Alarm (Original Soundtrack) by Various Artists". iTunes. Apple Inc. September 6, 2019.
  27. ^ "Love Alarm 좋아하면 울리는 (Original Soundtrack)",, September 6, 2019

External links[edit]