Half a year has passed, and Shirokin Gakuen has closed down. Yamaguchi Kumiko finds herself a teacher of a few young kids, who don't really benefit much from her style of teaching. Through some twist of fate, she is offered a job as a teacher in Kurogin Gakuen. She becomes the teacher of a delinquent 3D class which make her previous students look like angels. In order to protect her job, she
