18+ Sakusei Byoutou: Zennenrei-ban

The worst compulsory ejaculation by vicious nurses! Due to a rare disease, Yamada, the protagonist, has to ejaculate every three hours. With broken bones in both hands, he has been hospitalized in a hospital crawling with monsters and goblins in the form of evil nurses. One after another appear a problem child, a reign of terror, violence, and sex. Will Yamada live to see the day of his discharge from the hospital? "Semen Extraction Ward," which rocked the internet, has somehow been completely remade for general audiences!

(Source: Kodansha, translated)