Seiryokuzai x Imouto = Kouka Batsugun!! [ぶっくまうんten] 精力剤×妹=効果抜群!! (コミック Mate legend Vol.44 2022年4月号) [中国翻訳] [DL版]

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[Kouka Ryouhei (Yanagi Kyouhei)] PrelfIllust No.4.5 NovelizeComic

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

[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Zen" [Digital]

[Waribashi Kouka] Nikuki Ane ha Mono Iwanu Haijin Onaho ni Narimashita

[Kouka Ryouhei] El-tentacle Birth Lady's Mk.A PHASE-3 2of2

(C74) [Yomosue Doukoukai (Gesho Ichirou)] THE OMNIVOUS 23

[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

[Waribashi Kouka] Shitsui no Mibojin wa Gifu no Juyoku ni Oboreru