[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Zen" [Digital]
(C90) [2nd color (Typehatena)] Saimin Nante Kakaru Wake Nai Janaidesuka (Gochuumon wa Usagi desu ka?)
[Kouka Ryouhei (Yanagi Kyouhei)] El-tentacle Birth Lady’s Mk.B PHASE-2
[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Kou" [Digital]
[Kouka Ryouhei (Yanagi Kyouhei)] PrelfIllust No.4.5 NovelizeComic
(C90) [2nd color (Typehatena)] Saimin nante Kakaru Wake Naijanaidesuka | Hypnosis doesn't really work, does it? (Gochuumon wa Usagi desu ka?) [English] [Mongolfier]
[Waribashi Kouka] Shitsui no Mibojin wa Gifu no Juyoku ni Oboreru
[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B ex.other [Digital]
[Kouka Ryouhei] El-tentacle Birth Lady's Mk.A PHASE-3 2of2
Minkan Ginkou ~Oku-sama o Nemurasete Hitoban Azukeru dake no Kantan na Oshigoto desu~