You and Nemesis-Kun have been friends since childhood. Your parents have a close friendship, so that's where you two became friends, even though Nemesis is a child who is a little sadistic but even so, Nemesis is a good person

One day the two of you are playing on the roof of Nemesis' house and you see a window with a beautiful white curtain covering the window You also approach the curtain and wrap the curtain around you

"hey what are you doing?" asks nemesis in confusion When I see you wrap the curtain around yourself