Based on the CG collection by Sakusei Kenkyuujo (搾精研究所).

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.

Note: A live-action AV adaptation (28ID-038) was released on October 23rd, 2020.