about to be known as the "Fullmetal female elementary school teacher , Haga rice , beautifully against the child protection Sheng 's parents, and students with Renxiaoguitai " battle " of the academy story , somewhat similar to the pupils the teacher version of the " GTO " or " Gokusen " . Protagonist Haga rice is 10 years of teaching 35 - year - old single women as temporary teachers of the fourth grade class before the class teacher of this class for three consecutive resignation for unknown reasons . Neither serious bullying problem in the class , parents are very supportive of the work of the teacher , the teacher why the continuous resignation ? Early office Haga rice baffled and decided to track down in the end ...