(C54) [JUMBOMAX (Ishihara Yasushi)] AIka Dynamic (Agent Aika)

(SC36) [Yomosue Doukoukai (Gesho Ichirou)] OUT TRIAL 2 (AIKa) [English] [N04h]

[RACK&PINION (Iogi Juichi)] Konoe ADVENTURE (Kono Naka ni Hitori, Imouto ga Iru!) [Digital]

(SC36) [Yomosue Doukoukai (Gesho Ichirou)] OUT TRIAL 2 (AIKa)

[Tokutan Biyori] Konoe ga Sonna Koto o! (Kono Naka ni Hitori, Imouto ga Iru!)

(C52) [Nakayohi Mogudan (Mogudan)] Sakura Gumi (Sakura Wars, AIKa)

(C52) [Nakayohi (Mogudan)] Sakura Gumi (Sakura Taisen, Agent AIKa)

Aika Complete Fanbook

(CR26) [White Elephant (Various)] Futomomo Shukujo Kannoushashinshuu (AIKa)

(C54) [BLACK STARS (Miura Takehiro)] GUNYOU MIKAN Vol.12 (AIKa)