Canti

A 12-year-old boy named Naota is hanging out with 17-year-old Mamimi, the girlfriend of Naota's absentee brother. Their relationship is an uneasy one, since Mamimi seems to enjoy teasing Naota quite a bit. Suddenly, their time together is interrupted by the arrival of Haruhara Haruko, a seemingly insane girl on a motor scooter. She runs over Naota and then whacks him in the…

Many years have passed since Naota and Haruhara Haruko shared their adventure together. Meanwhile, the war between the two entities known as Medical Mechanica and Fraternity rages across the galaxy. Enter Hidomi, a young teenaged girl who believes there is nothing amazing to expect from her average life, until one day when a new teacher named Haruko arrives at her school. Soon…