[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B ex.other [Digital]
[Waribashi Kouka] Nikuki Ane ha Mono Iwanu Haijin Onaho ni Narimashita
[Waribashi Kouka] Shitsui no Mibojin wa Gifu no Juyoku ni Oboreru
[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Kou" [Digital]
[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Zen" [Digital]
[Kouka Ryouhei] El-tentacle Birth Lady's Mk.A PHASE-3 2of2
[Kouka Ryouhei (Yanagi Kyouhei)] El-tentacle Birth Lady’s Mk.B PHASE-2
(C97) [Kasha (Umezo)] Biyaku Kouka | Aphrodisiac effect (Inuyasha) [English] [EHCove]
[Waribashi Kouka] fukanshō no hazu no o nēchan ga bōcha ma ni naku made ika sareru ohanashi
[Kouka Ryouhei (Yanagi Kyouhei)] PrelfIllust No.4.5 NovelizeComic
