The main protagonist of the hentai is an ordinary kid named Yamada, who was hospitalized with both his arms broken. He was also diagnosed with a "chronic disease" associated with pain in his testicles. He had to ejaculate at least once every three hours to relieve the pain, but the patient's broken hands put the hospital staff in a difficult position. A specially trained staff of nurses was assigned to "treat" him and supervise him. Tachibana-san became his first personal nurse to attend to the member...