Sayo, a close friend of Koji's mother, left home due to a marital fight and decided to stay at their house until she calmed down. However, Koji, who had little interaction with women other than his mother, couldn't take his eyes off Sayo's large breasts. He wondered what they would feel like, if they were soft… He just wanted to touch them once. His desire grew stronger, and merely stealing glances was no longer enough for Koji, so he started peeping at Sayo while she bathed...
