[Katayama Yuujin] Tsugai Asobi [Chinese] [沒有漢化] [Digital]
[Katayama Yuujin] Tsugai Asobi | Mating Game [English]
(C45) [Henrei-kai (Kawarajima Koh, Tayama Mamito)] Hen Rei Kai Special Vol.5 (various)
[Kita no Kitayama] Osananajimi ni H na Kyouryoku (Sora no Otoshimono)
[Katayama Yuujin] Tsugai Asobi Kouhen | Mating Game Part Two (Tsugai Asobi) [English] [Alphya04] [Digital]
[Naritayama Brian] HEISEI SIKIJYOU KYOUSITSU
[Katayama Yuujin] Tsugai Asobi Zenpen | Mating Game - Part One (COMIC Koh 2017-01) [English]
[Naritayama Brian] Momoiro Seifuku Zukan | Sexual Uniform Guide
[Kita no Kitayama] Ore no Osananajimi wa Chinpo ga Daisuki datta (Sora no Otoshimono)
(C48) [Henreikai (Kawarajima Koh, Tayama Mamito)] Custom Sweet