Gokusen (2002 - 2008 )

"Gokusen" is a Japanese TV show that aired from 2002 to 2008. It revolves around a young female teacher named Kumiko Yamaguchi, played by Yukie Nakama. She is from a yakuza (Japanese mafia) family and becomes the homeroom teacher of a rowdy class full of delinquents. Yamaguchi uses her unconventional methods to guide and inspire her students, helping them overcome their personal struggles.
links: IMDb