Terahashi, who is not sociable with the class and has bad behavior, was scolded by Ai, a female teacher, for arguing with a local thug during a school trip, which is also a highlight of student life. Terahashi showed no remorse and accidentally peeked at Ai's bath. Ai-sensei, whom I thought was a simple old woman, actually has a huge and very sexy chest. Ai, who noticed Terahashi painfully erecting a meat stick, smiled mischievously and pressed her massive chest close, whispering a vulgar word. 'Although you are doing something evil, you are a child who should not be allowed to be this hard...'