Love Alarm (2019)
A Korean sci-fi romance where a love-detecting app turns teenage emotions into a viral phenomenon — and one girl into the center of an unforgettable love triangle.
Love Alarm - Series Information
- Original Title: 좋아하면 울리는
- First Air Year: 2019
- Last Air Year: 2021
- Created by: Yu Bo-ra
- Type: TV Series
- Genres: Drama, Sci-Fi, Fantasy
- Episode Runtime: Average runtime per episode (50 minutes)
- Number of Seasons: 2
- Number of Episodes: 14
- Status: Ended
- Original Language: Korean
- Spoken Languages: Korean
- First Air Date: August 22, 2019 (Brazil - 16), August 22, 2019 (Spain - 16), August 22, 2019 (South Korea - 15)
- Networks: Netflix
- Alternative Titles: Love Alarm (US), 恋爱铃 (HK), Signal d'Amour (FR), 喜欢的话请响铃 (CN), Aşk Alarmı (TR), Love Alarm (KR), 喜欢的话请响铃 (MO)
- Production Companies: Studio Dragon, Production H
- Production Countries: South Korea
Love Alarm - Plot
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
Love Alarm - Trailer
Watch the official trailer and see how one app changes everything about love:
When you turn on the application, your heart will ring.
Where to Watch Love Alarm
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Love Alarm - Cast & Crew
Creator(s)
- Yu Bo-ra
Main Cast
- Kim So-hyun
- Jung Ga-ram
- Song Kang
- Go Min-si
- Lee Jae-eung
- Kim Si-eun
- Song Sun-mi
- Shim Yi Young
- Kim Young-pil
- Park Seong-yeon
Writers
- Lee Ah-yeon
- Seo Bo-ra
- Cha Yeon-su
- Kim Seo-hee
Love Alarm - FAQs
Is Love Alarm based on a webtoon or original story?
Love Alarm is adapted from a popular Korean webtoon of the same name by Chon Kye-young, serialized on Naver Webtoon from 2014. The original comic built a devoted fanbase before Netflix adapted it into a live-action series, staying close to the webtoon's central premise of a love-detecting app.
What is the Love Alarm app concept in the series?
The Love Alarm app notifies users when someone within a 10-meter radius has romantic feelings for them. Once it goes viral, it reshapes how people experience love, popularity, and rejection. The app becomes a social phenomenon that forces characters to confront feelings they might otherwise never have expressed.
Where can you stream Love Alarm?
Love Alarm is available to stream on Netflix and Netflix Standard with Ads. Both seasons are on the platform, making it easy to binge the full 14-episode run in one sitting. Availability may vary slightly by region.
Who plays the main characters in Love Alarm?
Kim So-hyun leads the series as Kim Jojo, the girl at the center of the love triangle. Song Kang plays the charismatic Hwang Sun-oh, while Jung Ga-ram portrays the quietly devoted Lee Hye-yeong. Go Min-si rounds out the core cast as Park Gul-mi, Jojo's spirited best friend.
Is Love Alarm worth watching for K-drama fans?
Absolutely. Love Alarm blends a clever sci-fi premise with emotionally resonant romance, making it a standout among Netflix K-dramas. Kim So-hyun delivers a nuanced performance, and the show's exploration of technology's impact on human connection feels surprisingly relevant. It's binge-worthy, especially for fans of teen romance and speculative drama.
How many seasons and episodes does Love Alarm have?
Love Alarm ran for two seasons: Season 1 contains 8 episodes (released in 2019) and Season 2 contains 6 episodes (released in 2021), for a total of 14 episodes. The series concluded with Season 2, wrapping up the central love triangle and the broader consequences of the app.
How was Love Alarm received by critics and audiences?
Love Alarm earned warm reception for its inventive premise and strong lead performances, particularly Kim So-hyun's portrayal of Jojo. Critics praised the first season's emotional depth, though Season 2 drew more mixed reactions for its pacing. Overall, it remains one of Netflix's most-discussed Korean original series.
What shows are similar to Love Alarm?
If you enjoyed Love Alarm, try Extraordinary You (2019) for its webtoon-inspired romance, Nevertheless, (2021) for its emotionally complex love story, or Start-Up (2020) for a blend of tech and romance. My Roommate Is a Gumiho (2021) and At Eighteen (2019) also capture a similar heartfelt, youthful energy.
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