It's Sua's birthday, a high school girl. University's boyfriend Yun-mo presents Sua with a domino as a gift. Sua, who didn't want to be treated as a child, complains for another gift. Yun-mo is embarrassed. Sua asks her to give her first experience as a gift. Yun-mo is even more embarrassed.
- Created by
- Seo Yoon-su
- Origin
- KR
