The man peeks into the daily life of a vulnerable, voluptuous housewife through the open window of the room opposite, and fantasizes about Itsuka raping her. One day, while the man is searching for material to jerk off to on a live chat, his eye falls on a newcomer. She looks familiar... Yes, the woman broadcasting her explicit masturbation on the screen is the housewife who lives in the room opposite. The man is shocked by the sudden surprise, but he immediately sends her a screenshot and a letter...