(C52) [Nakayohi (Mogudan)] Sakura Gumi (Sakura Taisen, Agent AIKa)
(C87) [Wakusei-teki Shukou (Yutakame)] Kouhaku Kimidori x Toru (Hitsugi no Chaika) [English] [doujin-moe.us]
(C86) [Manjudou (Tsukishiro Saya)] Chaika-chan no Ecchi na Hon. (Hitsugi no Chaika)
(C86) [Mou Sukoshi Hidari e (Uono Shinome)] Chaika Route Aka (Hitsugi no Chaika)
[Sangetsu No Lion (Don Shigeru)] DENGEKI 2 (Agent Aika)
(SC36) [Yomosue Doukoukai (Gesho Ichirou)] OUT TRIAL 2 (AIKa)
(C54) [BLACK STARS (Miura Takehiro)] GUNYOU MIKAN Vol.12 (Agent AIKa)
(C86) [Fujiya (Nectar)] Usui Hon no Chaika (Hitsugi no Chaika)
(C86) [Fujiya (Nectar)] Usui hon no Chaika (Hitsugi no Chaika) [Chinese] [塔布里斯個人漢化]
(C54) [JUMBOMAX (Ishihara Yasushi)] AIka Dynamic (Agent Aika)