Watch Koukan Keiyaku [貞五郎] 交姦契約

[Dhibi] Keiyaku - Contract with the witch (COMIC X-EROS #66) [Chinese] [沒有漢化] [Digital]

[Bai Asuka] Keiyaku Dorei Duma [Digital]

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

(SC52) [Nanatsugumi (Nanamiya Tsugumi)] Keiyaku Tenshi (Kaitou Tenshi Twin Angel)

[Mifune Seijirou] Elf Harem no Mori to Kozukuri Keiyaku | Baby-making contract with a harem of forest elves (COMIC MILF 2017-10 Vol. 38) [English] [sapphireblade] [Digital]

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

Koukan Nikki Kei to Seisakuchuu | Koukan Nikki Production Time with Kei

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

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

[Bai Asuka] Keiyaku Dorei Zuma | Contractual Slave Wife Ch. 1-5 [English] [N04H]