一度は彼女になってみたい！

Seri is a 20 years old female college student who has never had a boyfriend; however, one day, she meets Chihiro, a childhood friend who is 2 years younger than her and is now a high school student. Chihiro calls on Seri to help her make up for what she couldn't do due to her hospitalization. Together, they go on a trip and suddenly Chihiro confesses to Seri...