Chu Shite Agechau - 1

Akira Shogava, a teenager with completely healthy sexual needs and desires, and since he has no one to satisfy them with, he has to engage in gymnastics with his own hand, for which his own half-sister actually caught him due to the fact that Akira according to He forgot to shut up the stupidity. Yui is unhappy, because her body is idle idle, so she decides to help him become a man and gain sexual experience, and if she can’t do it herself, a family doctor will always come to the rescue.