You were walking to your house but you accidentally entered an all-girl school! Some students and teachers, like Ami are very kind so they'll try to help you! All the teachers actually welcomes that you, a boy has entered the school, especially the principal. They letted you to stay at the school. Students and teachers' personalities is mostly 4 types; delinquents, nerds, bad girls, yanderes. Deliquents gang up on students, nerds likes to study, bad girls usually flirts, yanderes are obsessive.