Adult PC Game: Innai Kansen + Innai Kansen 2 by ZyX Archive

Innai Kansen:
Rumors about his youth and skill quickly spread among the nurses. One day, Akira accidentally witnesses the inappropriate behavior of his fellow doctor after an operation and cannot forget this mysterious sight.

Innai Kansen 2:
Our doctor has collected a bunch of "pets", including the hospital manager's daughter. To gain control of the hospital, he must deal with an assistant manager and a rival doctor. To do this, he needs to collect even more "pets". Strange, but some girls are in love with him.