(C67) [Insert (Ken)] Minna de ii Koto Shiyo -Hokenshitsuhen- (X Change) (C67) [Insert (Ken)] みんなでいいコトしよ -保健室編- (XChange)

(C70) [INSERT (KEN)] 2006 summer Gentei Bon X-Change story

(C81) [INSERT (KEN)] AHEN-KI! (Maken-Ki!) [English] {doujin-moe.us}

(C79) [INSERT (KEN)] 2010.winter Gentei Bon Maken-Ki ~Nijou Aki~ Ahen-ki (Maken-Ki!)

(C82) [INSERT (KEN)] AHEN-KI! 2 (Maken-Ki!) [English] [desudesu]

(C85) [INSERT (KEN)] AHEN-KI! 3 (Maken-Ki!) [English] [doujin-moe.us]

(SC28) [Insert (Ken)] Minna de ii Koto Shiyo -Kateikyoushihen 2- (XChange)

(C85) [INSERT (KEN)] AHEN-KI! 3 (Maken-Ki!)

(C81) [INSERT (KEN)] AHEN-KI! (Maken-Ki!)

(C69) [Insert (Ken)] Minna de ii Koto Shiyo -Bijutsubuhen- (X Change)

(C82) [INSERT (KEN)] AHEN-KI! 2 (Maken-Ki!)