Based on the adult game by Clam Chowder.
 
Shizume, a kunoichi of the Fuuma clan, fails in her first attempt to retrieve an important scroll from Horimon Juurou and gets disciplined by her father and brother. Will her next attempt succeed or will Horimon prove to be too much for her? Meanwhile, Horimon is also being pursued by Kojuurouta, wanting revenge for him apparently killing her father and stealing the scroll. Will she be resistent to his charms?

OVA based off of the adult PC game by G.J?

Based on the erotic game by Elf. 
 
Maro works as a doctor. He is a pervert. One day, Sakimi came to his doctor's office asking about a small pain and soon he begin to gain her trust and he begin to give her advice about marriage life, specially about to make babies. Of course, he takes advantage of her trust and begun to sexually caress her in several parts of her body. 
 
One day, the doctor did it in the front of her husband, resulting in the husband smashing the doctor's hands. He cannot use his hands anymore for some time and Sakimi begin to help the doctor since she fell responsible for it (she never doubted of the doctor she always think that the doctor is just doing his job caressing her). The doctor now cannot eat, bath and even urinate alone without the help of Sakimi, and she with good will try to help him out in everything. What will happen next?

Mitsu