Flowering Heart 2 Season 1 Episode 2

I've become an adult?!

Ari has become a teacher?! Tubby, the hamster, has come from the World of Magic and he explains that Ari has transformed into an adult because of her sincere wish to help her troubled homeroom teacher. In order to do this, Ari pretends to sit in and observe her class, but ends up having to teach it herself! Will she be able to pull it off?