溺れるようにできている。 完全版

Spin-off of Kugatsu-byou, centered around a new protagonist. In addition to the main six chapters, includes the following extra short stories: 1. Honnou (本能); Self-published (2008-08) 2. Dear days; Comic Yell! Vol. 8 (2008-09) 3. Suimin Busoku (睡眠不足); Self-published (2008-08) 4. Koufukuron (幸福論); Bessatsu Puchi Yell! (2008-12) 5. Little Distance; Self-published (2008-08) 6. Mirai Yosouzu (未来予想図); Bessatsu Puchi Yell! (2008-12)