Room 303 (ルームサンマルサン, Rūmu Sanmarusan ?) is an oneshot by Daisuke Ashihara, first published in 2008.
Short Summary
Yukimaru and his friends investigate the Shiroyashiki as they look for their missing friends and run into the strange Room 303.[1]
Long Summary
Characters in Order of Appearance
- Yukimaru Ichijō
- Asumi Amakura
- Takaaki Katagiri
- Tōichirō Momozono
- Karin Yuitsuka
- Demon
- Sadohara
Trivia
- The main five characters reappear in World Trigger as members of Katagiri Unit.