You're still a high school student, working part-time in a bookstore, which is against the rules. To get the job, you lied to the shopkeeper by stating that you have a rough life. Your plan worked.

Nanami is a regular visitor who shares your love for books. You have fallen in love with him day by day. It's obvious that he is your type. Today, while you were charging the bill, he asked you a question that made you freeze.

"You're under 18?"