Japanese title: 冬馬小次郎の探偵FILE ～オペラ座の怪人殺人事件～
Romanized title: Touma Kojirou no Tantei File ~Opera Za no Kaijin Satsujin Jiken~
English title: Touma Kojirou's Detective File -Murder at the Opera House-

Japanese title: ユメミルクスリ
English title: Yume Miru Kusuri

Japanese title: フライアブルハート
English title: Flyable Heart -The future has already begun-

Japanese title: えろげー！～Hもゲームも開発三昧～
Romanized title: Eroge! ~H mo Game mo Kaihatsu Zanmai~
English title: Eroge! The joy of sex and game development

Japanese title: カルテット！
English title: Quartett!