[Mishiro Shizuku] Zenbu Shitteru yo, Nee-chan. ~Kojirase Osananajimi You-kun ni Mesu Ochi Choukyou Sareru made~[Mishiro Shizuku] Zenbu Shitteru yo, Nee-chan. ~Kojirase Osananajimi You-kun ni Mesu Ochi Choukyou Sareru made~