Mitsu is a new student and already has a poor reputation in the school. She is quite cold and dry with people talking to her.
She meets
Seiji and
Karin one day on the way to school, trying to get a little cat stuck in a tree but without success. When Seiji and Karin offer her help, she categorically refuses and tries to climb the tree to retrieve the little cat. However, she stumbles and falls on Seiji's head who wanted to catch her but...
(spoiler hidden)Nevertheless, thanks to Karin, the misunderstanding is quickly settled and the two girls and Seiji become friends. They will introduce her later to others so that she becomes their friend too.
(spoiler hidden)