[HAPPY CORE (木下壱)] FANTASM [英訳]
[HAPPY CORE (木下壱)] 僕とお風呂のお姉さん [英訳]
[HAPPY CORE (木下壱)] FANTASM
[HAPPY CORE (木下壱)] PZR -SOUND GAME HEROINES- (beatmania IIDX)
[HAPPY CORE (木下壱)] CIRCLED ZERO
[HAPPY CORE (木下壱)] ADVANCE AXIS (beatmania IIDX)
[HAPPY CORE (木下壱)] PRIMARY HEART
[HAPPY CORE (木下壱)] 13REALM
[HAPPY CORE (木下壱)] Becolor
[HAPPY CORE (木下壱)] PZR -SOUND GAME HEROINES-
[HAPPY CORE (木下壱)] NUDE DECORATION
[HAPPY CORE (木下壱)] 僕とお風呂のお姉さん [中国翻訳]
[HAPPY CORE (木下壱)] EVIL EDEN [韓国翻訳]
[HAPPY CORE (木下壱)] EVIL EDEN
[HAPPY CORE (木下壱)] 僕とお風呂のお姉さん
[HAPPY CORE] TRiCKLE(beatmania)
[HAPPY CORE] HAPPY OF LOVE
(同人CG集)[HAPPY CORE] EX OneMoreStage 弐
[HAPPY CORE] EX OneMoreStage 壱
[HAPPY CORE] HAPPY EFFECT
[HAPPY CORE] SECOND EMOTION (ragnarok online)
[Happy Core] Happy Memorial
[HAPPY CORE] HAPPY EMOTION (Ragnarok Online) + Extras