[Tsuki no Mizu Kikaku] Naedoko Dungeon Chronicle Official Design Works
(Kouroumu 10) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue again (Touhou Project)
[MLC Design House (Maria)] Maid no Mori (Hanaukyou Maid Tai)
Enquête de Henshinato no Design ga Kawaru !
(C85) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue (Touhou Project)
Enquête de Henshinato no Design ga Kawaru !
(Kouroumu 10) [Sumeragi Designs (Sumeragi Seisuke)] D4C continue again (Touhou Project) [English] {doujins.com}
FuruShin Log R-18 & Enquete Arigatougozaimashita!
[Sumeragi Designs (Sumeragi Seisuke)] D4C (Touhou Project) [Digital]
[Sumeragi Designs (Sumeragi Seisuke)] D4C (Touhou Project) [English] {Sharpie Translations} [Digital]