Bored with his prolonged hospital stay, a younger brother is visited by his older brother and sister-in-law. Frustrated and horny, the younger brother feels an improper impulse toward his sister-in-law's mature sex appeal and voluptuous body. Sayuri, the sister-in-law, smiles gently while tidying up around his bed. After the couple leaves, the pent-up brother closes his eyes and fantasizes about fucking her. One day, while the brother is undergoing walking rehabilitation, his sister-in-law comes to visit and gently assists him...
