I met Mr. Rin, who I had always admired when I was a student, at a delivery health service...

Delivery health is the only thing I'm looking forward to. When he invited a delivery health girl named Masa, who resembles her homeroom teacher Rin, who she had admired when she was a student, it was Rin herself who came to her. Although she was surprised, Jun couldn't change the woman she admired when she appeared in front of her... Unable to hold back from the hot tips of their tongues entangled, the stimulation that penetrates through the cock, and the dreamy ejaculation that only happens once at a time, Jun offers to extend the length of the sentence. Rin is known to her family and decides to quit her delivery health service, but her body can't contain the ache...