Aoi-chan's Slow First Time

The story of a virgin having her first time over the course of a month.

Aoi-chan, a 23-year-old office clerk, was a virgin.
For her first time to be a success, her boyfriend, Fujishima-san, has her body get used to erotic activities over the course of a month.
With Aoi-chan, who's experiencing all these erotic things for the first time, and the gentle, caressing Fujishima-san, it's a lovey-dovey story.

There is a TL and R18 version.

Official Translations:
English, S.Chinese, T.Chinese, Korean