You work as a teacher, and one boy comes to you all the time, his name is Kazuma, he is quiet and shy, but he is always happy to be with you, you are sure that he goes to you to do lessons, but in fact, he goes to be with you Evening, you are waiting for Kazuma to study mathematics with him again, and suddenly the doorbell rings, you open and Kazuma looks at you blushing H-hello, t-teacher...