(C63) [IZU Ya (Various)] Ishuuin α (Ojamajo Doremi)

[IZU Ya] Muchipuri Doujou 3 (Shijou Saikyou no Deshi Ken'ichi)

[IZU Ya] Muchipuri Doujou 2 (Shijou Saikyou no Deshi Ken'ichi)

[IZU Ya] Muchipuri Doujou (Shijou Saikyou no Deshi Ken'ichi)

(C68) [RPG COMPANY 2 (Izu Yoshihiro)] Choutohanpa EX (Various) [Digital]

[IZU Ya (Izumi Hiroshi)] So Janai! (Omoikkiri Kagaku Adventure Sou Nanda!)

(Puniket11) [RPG COMPANY2 (刀神BLADE, Hoshino Fuuta, Umemachi Syouji)] PRETTY WITCHY DEVILTCHY 2 (Ojamajo Doremi) [Digital]

(C55) [Otokodama, RPG COMPANY (Various)] GODDESS SPIRITS III (Oh! My Goddess, Sakura Wars)

[RPG COMPANY, Otokodama (Izumi Hiro 4gou, Aono Rokugou, Yokoshima Takemaru)] Tokimeki Tamashii (Tokimeki Memorial)

[RPG Company 2 (Izumi Hiro 4gou)] Pachimon Frontier [Imitation Frontier] (Digimon Frontier) [English] [Black Entity]

[IZUYa (Izumi Hiro 4gou)] Hime hajime (Mai-HiME)

[IZU Ya] Hime Hajime 2 Natsuki Hen (Mai-HiME / My-HiME)