Shota is undergoing treatment for asthma at a privately run hospital. His only amusement during the monotonous hospital stay is playing naughty pranks on nurse Airi’s big ass. Airi ignores Shota’s antics, treating them as innocent child’s play. However, one day, she catches Shota masturbating in his bed. In that instant, their relationship takes a sudden turn. An intense, heart-pounding encounter unfolds as tension and excitement collide.