Peeping at the girl who lives across from my new place has recently become my daily routine. She seems to be a cosplayer, and I've become addicted to the excitement of masturbating while watching her change into various costumes to take selfies or masturbate. One night, while peeping at her having sex with a man, our eyes met, and I panicked. A few minutes later, the doorbell rang, and when I opened the door, there she was standing there, the same girl who should have been in the room across from me just moments ago...