Mimori-san no Yarashii Okuchi

"Do you feel it inside your mouth?...During the treatment, it was erected all the time, right?"
Mimori, a businessman's largest secret is that his mouth is his erogenous zone. He had been avoiding dentists all his life, but suddenly his wisdom tooth starts to hurt. He felt pleasure during the treatment when the dentist fiddled inside his mouth, and he can't keep down his voice and erection...! As he blushes from embarrassment, the Doctor tells him, "Shall I help you?" and suddenly kisses him! His slacks are undone and he felt the tongue slither on his hot excitement...
(Source: Renta!)