Yamaguchi Kumiko is a young, idealistic and passionate teacher. Eager to make a difference in her students' lives, she enters Shirokin Gakuen, but she is in for a rude awakening when she is assigned to the rowdiest class in the school. Unknown to her students, however, Kumiko is the heir to a notorious yakuza clan known as the Ooedo Group. Will she be able to win her students over with her compassion?
Starring: Yukie Nakama, Jun Matsumoto and Shun Oguri.