![Man in Room 301](https://image.tmdb.org/t/p/w185/dsk9tLmKdal9nrp5gthA4Yk12W2.jpg)
Morino Hotaru is a second year high school student who has had an unrequited crush on Otaka Ren since junior high school. One day, while on a school trip with Ren and her good friend Yamamoto Shiori, their bus gets into an accident. When Hotaru wakes up, a young man who is dressed fully in black appears in front of her. He is Kuro, a grim reaper.