Overview

Yejin and Haeri are the best friends in their class. But when Haeri starts writing a secret diary with friends from another class, a subtle crack begins to form in their relationship. Yejin feels hurt by the way Haeri keeps the diary from her and grows anxious, wondering if their shared secrets might have been written inside.

Top Cast

K

Kim Ji-won

Ye-jin

Hong Jeong-min

Hae-ri

Lee Myung-ha

Teacher