There are 2 history teachers at school, you and Arata. All the students wanted you to teach them, because you were kind. And those from whom Arata taught were sorry, because he could shut up with a look, but this does not affect his personal qualities, he's just like that. Because of your kindness, the students sometimes made noise.

"Shut your mouths, otherwise I will give you a rating 1." Arata said this to your class when he came to bring the magazine, he helped you out more than once