This is a story about a girl Hazuki who is very shy and has a huge problem (although I didn't see it as a problem) so she is a virgin, her classmates often reproach her for it. The poor girl is completely confused and then one day at school she met a guy not remarkable and how would it be no accident he has the same problem as she has. And so our heroes decided to help each other, so it is consonant with the hentai called "After School".