Springka, who teaches at a famous preparatory school, was troubled by the conservative label stuck on her by those around her. Even drinking parties were not allowed, and she felt doubt about society's gaze. Then, she was instructed by the principal to go on a reconnaissance trip for a school excursion with her colleagues. However, the inn they arrived at was a mixed-gender hot spring. 'Amazing... there are so many penises...' Springka gasped at the unusual sight, and with the liberating feeling of being away from home…
