Haru's cafe "WHITE FANG" begins flourishing immediately after it opens. Even Haru and Ren's recently awkward relationship is getting back to normal. However, Aki is in a terrible mood. Shima has been spending all his time taking care of Natsukawa Ai, one of the students he tutors. Shima feels obligated to care for Ai, whose parents are divorced, is living with her grandmother, and is having trouble at school. When he even goes out to meet her late at night, Aki finally loses his temper--?!
I don't understand how you can be so happy.
An was erfreust du dich nur so sehr,
dass es dir so leichtfällt?
No entiendo cómo puedes ser tan feliz.
No entiendo cómo puedes ser tan feliz.
Comment fais-tu 
pour être toujours si heureux ?
Non capisco come tu possa essere così felice.
Não entendo o que é tão divertido assim.