Konatsu, a cheerful female student, fully enjoys her long-awaited school trip with her classmates, but ends up breaking an expensive-looking pot at the inn she's staying at. Tsubasa, a very scary female teacher, is ordered to sleep alone in a separate room as punishment. When the night was late, a hand crept up from under the futon and fondled her breasts. When Konatsu woke up, what he saw was Tsuba, who had been angry until just now.