Watch Koukan Keiyaku [貞五郎] 交姦契約

[Ohsaka Minami] Dokusen Keiyaku + Mousou Ace (Namaiki Keiyaku) [Chinese] [Incomplete]

[The Dungeon In Yarn (Yone Kinji)] Koukan Nikki Hadaka Randoseru Satsueikai | Koukan Nikki Naked Randoseru Photo Meetup [English] [Chastity Dreamers] [Decensored] [Digital]

[Anthology] Ero Shota 14 - Koukan x Koukan x Otokonoko

Keqing no Seishori Dorei Keiyaku ~Keiyaku dakaratte Konna no Kiite nai wa yo!~

[Shamorok Kuhato] Hitozuma Kirika ~Aijin Keiyaku~ Daiisshou `Keiyaku'

[NemuNemu] Idol e no Michi (Ero Shota 14 - Koukan x Koukan x Otokonoko) [Chinese] [已經不行了這樣的漢化組]

[Akari Seisuke] Shuugetsu Yoru Soushi (Ero Shota 14 - Koukan x Koukan x Otokonoko) [Chinese] [空想少年汉化]

[Mikami Cannon] Fukujuu Keiyaku (Kouhen) (Fukujuu Keiyaku) [Chinese]

[Ohoshisamadou (GEKO)] Kokusei no Seishori Dorei Keiyaku ~Keiyaku dakaratte Konna no Kiite nai wa yo!~ (Genshin Impact) [English] [Digital]

[Mikami Cannon] Fukujuu Keiyaku (Zenpen) (Fukujuu Keiyaku) [Chinese]