Overview
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.
Trailer
Cast
Kim So-hyun
Kim Jojo
Jung Ga-ram
Lee Hye-yeong
Song Kang
Hwang Sun-oh
Go Min-si
Park Gul-mi
Lee Jae-eung
Chon Duk-gu
Park Ji-hoon
Ji-Hoon
Kim Si-eun
Yuk-jo
Ki Do-hun
Brian Chon
Bae Da-bin
Mon-sun
Song Sun-mi
Jeong Mi-mi
Shim Yi Young
Bae Gyeong-hee
Kim Young-pil
Hwang Jae-cheol
Park Seong-yeon
Jojo's Aunt
Yoon Na-moo
Kim Min-jae
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Keywords
love triangletechnologyfriendshiphigh schoollovematchmakingteen dramabased on webcomic or webtoon
Seasons
Season 18 episodes2019
1
The Flash of Lightning Before It Thunders
2019-08-22
56m8.4es771434
2There’s Nothing Anyone Can Do When You Like Someone
2019-08-22
51m8.8es771435
3The Miracle of Two People Liking Each Other
2019-08-22
49m9.4es771436
4The Best Feeling in the World Is Knowing There’s Someone on My Side
2019-08-22
48m9.9es771437
5The Gravity of Liking Someone
2019-08-22
52m9.0es771438
6Your Heart Is Safe Now
2019-08-22
49m10.0es771439
7Something I’ve Been Holding Back and Can Only Say to You
2019-08-22
48m9.9es771440
8One Is Bigger Than Any Other Number in the World
2019-08-22
42m9.8es771441
Added: 5/14/2026Updated: 6/4/2026