The reason why Hamaguchi, a problem child who refuses to go to school, participated in this year's school trip was not because he was persuaded by his classmates, but because of the voluptuous body of his homeroom teacher, Azusa. He didn't particularly want credits, but he wanted to get that unparalleled busty body Itsuka, so he was eagerly waiting for the opportunity. When they arrived at the inn, Azusa came to Hamaguchi, who they rarely see. "Hamaguchi-kun... won't you come to school soon?" Hamaguchi couldn't get enough of Azusa's kindness. "You can study at home," "School isn't just about studying," "...Then teacher, can you teach me something other than studying?" Hamaguchi grabbed Azusa's defenseless protruding bust with his hands...