Mio, an active delivery girl for a certain famous delivery company that is rumored to have many beautiful girls among the delivery girls that run through the city, makes her AV debut! She is a pure and innocent girl who seems like she could be found anywhere, but you would never meet her! She has been putting all her energy into job hunting and part-time work, so she hasn't had sex in a while! She came to pick out the male actor herself, wanting to feel good in her favorite AV! She has her first experience and is so sensitive that she cums over and over again after a long time of sex!