Sakusei Byoutou The Animation Episode 3

Part 1 An ordinary boy Yamada, is hospitalized with a fracture of both hands. He was also diagnosed with a certain "chronic disease" associated with pain in the testicles. To relieve the pain, he must ejaculate at least once every three hours. A nurse Tachibana is tasked to relieve Yamada from his pain whenever he desires.   Part 2 & 3 Yamada is afflicted with a strange disease and has to ejaculate once every three hours as a result. However, he has now broken both hands and ended up in the hospital. As a result, he has to ask the nurses in the hospital to take care of his needs.