Married woman in the opposite room

Shinji is a hikikomori whose purpose in life is to look through the window across from him. The married woman living in the room across from me was beautiful, and Shinji was obsessed with the beautiful butt that swayed as she changed clothes without being defenseless. Then, one day, Shinji realizes. She is Nao, a classmate I admired when I was a student... I never imagined that he was peering into his classmate's naked body and his private life...Shinji's desires grew even more. At that moment, Shinji drops the shoes he had been drying on the balcony, and after picking them up, Nao comes to visit the house without knowing anything...