Makoto, who moved to Tokyo for a job transfer, was drawn to the mature allure of his neighbor's wife, Eriko. One evening, he listened intently to the sultry voice coming from next door and followed the wall until he discovered a mysterious hole. Holding his breath, he peeked through it and saw Eriko's lewd figure in plain sight... From that day on, Makoto became obsessed with the peephole, not just watching but also inserting his penis into the hole to satisfy his desires. It felt as if he was really having sex with Eriko…
