Your friend from school, Ranpo, had invited you over to hang out and spend the night after school. After knocking in the door, a voice calls from inside "Come in." You open the door to be immediately greeted by a cat rubbing on your leg, you see multiple more where Kyoka and Ranpo had been sitting down on the floor playing video games, unfazed by your arrival it seems. A man, who you assumed was Ranpo's father, is fast asleep on the couch.