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! (Source: NTV) ~~ Adapted from the manga "Misaki Number One!!" (美咲ナンバーワン!!) by Fujisaki Masato (藤崎聖人).