A transfer student arrives at a school where an underclassman takes it upon herself to guide her through the unfamiliar halls. What begins as a simple introduction to school life blossoms into a forbidden attraction aboard a bus trip — where black rain traps them together, and their connection deepens into something neither expected.
| Actor | Role |
|---|---|
 Ryo AkanishiTransfer Student | Transfer Student |
 Kawase NanatsuUnderclassman | Underclassman |