One year after becoming my dream teacher, I came to preview a school trip with my senior teachers, Ryo-san and Nami-san. However, when we arrived at the inn, only one room had been reserved. As I was in charge of making arrangements, I felt a sense of responsibility and was busy patrolling. When he heads to the bathhouse for a final check, he runs into two people taking a bath. He somehow apologizes and gets forgiveness, but suddenly sees a bewitching naked body, and the alcohol he drinks while on a trip brings the two of them closer together, and a dream-like night begins where he continues to be missed all night...