Overview
In a sea village, there is a high school freshman, Da-young, who broke up with her boyfriend after summer vacation. Da-young, who has to write the most memorable thing for her vacation homework, writes down the lies of that summer day, recalling her memories with her ex-boyfriend, Byung-hoon.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
 | 20 | 21 | |
 | - | - | |
 | - | - | |
| - | - | |
 | - | - |