Teppei, brought up by his father in the mountains, is an energetic boy who is as tough as weeds and acts as free as a bird. His life changes completely when he enrolls in high school, the first school he has ever attended. Despite his eccentric behavior and being a constant source of troubles, he is soon recognized for his talent in sports—especially in Kendo (the Japanese swordplay art)—and becom

Teppei, brought up by his father in the mountains, is an energetic boy who is as tough as weeds and acts as free as a bird. His life changes completely when he enrolls in high school, the first school he has ever attended. Despite his eccentric behavior and being a constant source of troubles, he is soon recognized for his talent in sports—especially in Kendo (the Japanese swordplay art)—and becomes the school's hero. (Source: Nippon Animation)