Overview
Young-eun who has a crush on her classmate, Min-su, realizes that her younger sister Young-ji and Min-su are in a relationship. Though she tries to suppress her emotion it’s not easy. One night, Young-eun witnesses Young-ji and Min-su having sex.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
| - | - | |
 | 23 | 29 |