A year after becoming a teacher, I came to check out the school trip with my senior teachers Ryo and Nami. However, when we arrived at the inn, only one room had been reserved. I felt responsible as I was in charge of the arrangements, so I was busy patrolling. Then, when I went to the bath for a final check, I bumped into the two of them while they were bathing. I managed to apologize and get their forgiveness, but the sudden glimpse of their seductive naked bodies and the alcohol we consumed on the trip brought us closer, and a dreamlike night of continuous orgasms began...