3.5th Period
1h 45m
A high schooler finds a fellow student stuck in a perilous time trap. Can she help rescue him, or will secretive forces thwart her efforts?
| Actor | Role |
|---|---|
 Jo Hye-wonBaek Ah-jin | Baek Ah-jin |
 Lim Ji-subKang Da-won | Kang Da-won |
 Kim WoojinLee Hanik | Lee Hanik |
 Song Young-gyuHan Je Moon | Han Je Moon |
 Kang ByulChoi Seon Joo | Choi Seon Joo |
| KKwon Go-eunIm So Ra | Im So Ra |
 Lee Pu-reumLee Da Hee | Lee Da Hee |
| PPark si yunPark Jeong Bae | Park Jeong Bae |