Otsukaresama desu Kouka na Douka na Hentai (Super ROOT4to5 2018) [ナイトロンド (一華)] オツカレサマデスコウカナドウカナ (Fate/Grand Order)

[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B ex.other [Digital]

Minkan Ginkou ~Oku-sama o Nemurasete Hitoban Azukeru dake no Kantan na Oshigoto desu~

[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

[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