Happy Lesson - 1x02 - Happy * Let's Study!- Followmy.tv

Mutsuki is the main character in the episode. At the begining Chitose is fighting with some other students. Then Mutsuki comes to save him. Then when she is in class she sees the score from Chitose's test (5%). She finds out about the other grades and brings a tutor to teach him for days on end. Herself!