Misaki Number One!! (2011)

Sinopsis

One day, all of a sudden, Misaki, the number one hostess of a club in Roppongi becomes a high school teacher! Of all classes, she is appointed as the homeroom teacher for Class 2Z, a special class for the troublemakers at the school. But, with her positive power, she takes the students head-on, without ever giving up! -- NTV