(Yarou Fes 2016) [KOWMEIISM (Kasai Kowmei)] Kore wa Kintore Nanda Honto dayo Shinjite (Mobile Suit Gundam Tekketsu no Orphans)

(Yarou Fes 2011) [KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou

(Yarou Fes 2012 Oosaka Aki no Jin) [KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou (San) Sousaiji | How To Train Your Boy Volume 3 [English] [SMDC]

[KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou (Yon) Deku to Kairai to [Digital]

Kowmeiism - Material Monster Panic

[KOWMEIISM (Kasai Kowmei)] B2:Re BANANA de OSTEOPATHY [English] [Digital]

[KOWMEIISM (Kasai Kowmei)] Kidou Sensha wa Fukuzashiki THE ORIGIN (Mobile Suit Gundam) [Digital]

(Yarou Fes 2011) [KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou | How To Train Your Boy Volume 1 [English] [SMDC]

(Yarou Fes 2012) [KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou (Ni) Otoko Gyou no Susume | How To Train Your Boy Volume 2 [English] [SMDC]

(Yarou Fes 2011) [KOWMEIISM (Kasai Kowmei)] Tadashii Danshi no Kyouren Hou [Chinese]