A cheerful girl, Konato fully enjoys a long-awaited school trip with her classmates, but breaks an expensive jar at the inn where she is staying. - A very scary female teacher, Tsubasa is ordered to sleep alone in another room as a punishment. When it was late at night, a hand rubbing her boobs crept up from the futon. - What Konatsu saw when she woke up was the appearance of Tsubasa-sensei, who was angry until a moment ago, playing with her nipples. - Kona, who can't make a proper voice due to fear and pleasure, is licked and squid with boobs and ma. - The next day, Kona, who has a complex about big boobs, enters a hot spring alone apart from her friends, but Tsubasa Sensei with big boobs appears there.