In a class room, a girl is sitting on the desk, solving a math quiz. If she cannot solve it in time, a horrible thing is likely to happen.
- Created by
- Lee Hyeon-soo
- Origin
- KR
- TMDB rating
- 6.3 / 10 · 9 votes
Sign in
Pick up exactly where you left off.
Tick an episode and the rest sorts itself out: what is waiting tonight, what airs tomorrow, what you abandoned two years ago. And under every episode, what other people made of it, without ever spoiling what comes next.
Create an accountFree, no ads.