(C54) [JUMBOMAX (Ishihara Yasushi)] AIka Dynamic (Agent Aika)
(SC36) [Yomosue Doukoukai (Gesho Ichirou)] OUT TRIAL 2 (AIKa)
(C52) [Nakayohi (Mogudan)] Sakura Gumi (Sakura Taisen, Agent AIKa)
(C54) [BLACK STARS (Miura Takehiro)] GUNYOU MIKAN Vol.12 (AIKa)
(SC36) [Yomosue Doukoukai (Gesho Ichirou)] OUT TRIAL 2 (AIKa) [English] [N04h]
(CR26) [White Elephant (Various)] Futomomo Shukujo Kannoushashinshuu (AIKa)
Hinnyuu de Chikubi ga Yowai Aika-san no Ichinichi
(C52) [Nakayohi Mogudan (Mogudan)] Sakura Gumi (Sakura Wars, AIKa)
Aika-san Hatsujouchuu
Aika Complete Fanbook
