(C87) [Team Plus Y (Kagurazaka Saki)] PLUS Y VOL.35 (Hitsugi no Chaika)
[Sumomo Dou (Sumomo EX)] Treatment. Unfair. - A White Chaika Booklet (Hitsugi no Chaika) [English] [Digital]
(C87) [Chideji (Oyaji)] Torikohime no Chaika (Hitsugi no Chaika)
(C86) [Manjudou (Tsukishiro Saya)] Chaika-chan no Ecchi na Hon. (Hitsugi no Chaika)
(C86) [Fujiya (Nectar)] Usui Hon no Chaika | Thin book of Chaika (Hitsugi no Chaika) [English] [TSHH]
(C87) [Nekoranbu (Minako Nami)] Kouhaku Manjuu (Hitsugi no Chaika)
(CSP6) [RPG COMPANY2 (Sakusha Fushou)] ChaikaRose (Hitsugi no Chaika)
[Sumomo Dou (Sumomo EX)] Atsukai. Futou. Shiro Chaika no Usui Hon (Hitsugi no Chaika) [Digital]
(C86) [Fujiya (Nectar)] Usui Hon no Chaika (Hitsugi no Chaika)
(C86) [Miyanchi (Miyagoe Yoshitsuki)] Hitsugi no Katyusha (Hitsugi no Chaika)