Haibara-kun wa Gokigen Naname Haibara is in a Bad Temper

Synopsis

Mio wanted to become good friends with Haibara-kun, a student who just transferred to her class. But the first impression she received was the worst ever! With her shocking grades, she was in danger of repeating another year of school. So she ends up begging Haibara-kun to help tutor her...? (Source: Shueisha, translated)