Kumiko "Yankumi" Yamaguchi enters Shirokin Gakuen Private School to become a math teacher. She's assigned as the homeroom teacher for class 2-4, populated by a gang of delinquents. At first, the class tries everything to rattle her cage, but to no avail. In a short period of time, Yankumi gains the respect of the class. But what the school doesn't know is that she's the heir to the Oedo Group, a powerful Yakuza clan. So while Yankumi struggles to excel in her career as a teacher, she must also keep her Yakuza background a secret.
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Arrival of the rookie teacher with a secret!!
Duel!! shin vs. ojou?
Kuma's first experience?
Ojou with blond hair! who's the real criminal?
Oedo group's danger!
Kyo-san's great act?
What is mingenhiinaa!?
A school field trip with angry waves!!
School battle breaks out without the moral code!?
The targeted school!
Shin-san is going to quit school!?
Shirokin gakuen is closing...?!
Yankumi's final duty
NextFilm 2025