(C89) [SUBCONTRACT STUDIO (luphis)] Luka Nee-san no Kekkon (VOCALOID)
(C85) [Ink Complex (Tomohiro Kai)] Hinin wa Taisetsu jan? | Contraception Is Important (Kantai Collection) [English] [biribiri]
(C89) [SUBCONTRACT STUDIO (luphis)] Luka Nee-san no Kekkon (VOCALOID) [English] [Heavenchai]
[Harumachi Tsurara (Shichoson)] Unilateral Contract [Chinese] [补丁布丁汉化组] [Digital]
[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]
(SC49) [Ajisaidenden (Kawakami Rokkaku, Takanashi Rei)] Oshiri de Yin-chan Hon (Darker than Black: The Black Contractor) [English] [biribiri]
[Kamiya Zuzu] Jumon de Keiyaku | Incantation Contract (COMIC Anthurium 2013-05) [English] [desudesu]
[Mebaeros] Batou Shoujo #1 [Chinese]
(C90) [ARCH (Plum)] Kyouraku Contrast (Kantai Collection -KanColle-)