Hentai Game CG | Touma Kojirou's Detective File

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-