(C87) [Chideji (Oyaji)] Torikohime no Chaika (Hitsugi no Chaika)
(SC2015 Winter) [Getsusekai (Motoe Hiroya)] Dig Me No Grave (Hitsugi no Chaika)
(C86) [Fujiya (Nectar)] Usui Hon no Chaika | Thin book of Chaika (Hitsugi no Chaika) [English] [TSHH]
(C86) [Fujiya (Nectar)] Usui Hon no Chaika (Hitsugi no Chaika)
(CSP6) [RPG COMPANY2 (Sakusha Fushou)] ChaikaRose (Hitsugi no Chaika)
[ASIANBOY (Hasemi Ryo)] Hatsujou! Tonari no Chaika-tan (Hitsugi no Chaika) [Digital]
(C86) [YASRIN-DO (Yasu Rintarou)] Bousou Imouto to Hitsugi (Hitsugi no Chaika)
(Puniket 29) [Studio Hana to Ribon (Puripuri Kikou Shidan)] Zoku Hime no Chai (Hitsugi no Chaika) [2nd Edition 2014-06-10]
[Sumomo Dou (Sumomo EX)] Atsukai. Futou. Shiro Chaika no Usui Hon (Hitsugi no Chaika) [Digital]
(C86) [Miyanchi (Miyagoe Yoshitsuki)] Hitsugi no Katyusha (Hitsugi no Chaika)