ZMEN-059 Hallucination! Delusion? I had never considered my sister to be anything but a girl, but suddenly she grew cat ears… As an otaku, this was too much for me and I got painfully hard!

One day, my little sister suddenly grew cat ears. Are you hallucinating because you studied too much for the exam? Or did delusion and reality get mixed up due to lack of masturbation? Anyway, my little sister, who is usually never a sexual object, looks irresistibly cute…