13 year old girl, Hyeju has to spend a few days with her highschool student brother while her parents are absent. By the way, her brother brings his girlfriend home and lets Hyeju out. Hyeju doesn´t know where to go, so she comes back home after killing time somewhere like PC room. Next morning, she finds used condom in bro´s room with curiosity. And she finally has a date with a highschool boy who she could meet through the online chat, but it is awkward and uncomfortable somehow.
| Actor | Role |
|---|---|
| HHeo Ye-seolHye-ju | Hye-ju |
 Ryu Hye-youngDa-hae | Da-hae |
| KKang Min-giMin-gi | Min-gi |