Training With A Busty Jogger! Mitsuki An

A man who is out of shape from lack of exercise decides to train with a female trainer. A few days later, when he meets up with the trainer, a trainer named 'Mizuki' arrives, her big breasts bouncing. The man trains hard, but her huge breasts distract him, making it difficult to concentrate. Developing feelings for Mizuki, he starts having lewd fantasies and eventually even asks her to take his virginity.