Misaki Number One!! S01 E01 The Passionate Novice Teacher is a Number One Hostess of a Club!

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