The girl Mika is moved to a new school in a new country, namely Japan. She has adream of becoming the best in tumbling, she meets not only 5 boys from the men'stumbling team, but also 3 from the school's gang. The leader Aratus, his best friend Aiko, and their mutual friend Aki .... She appeared already when she meets the 3 guy that theyare some weird guys and do not talk so much about them ...