Marie Iitoyo failed to confess to the man she loved. As she's at home regretting her decision, a little man appears in her room and hands her something called a "reset button". Marie pressed the button fearfully, but...

Maika Yamamoto, a genius karate girl. suddenly Yamasato confesses to her, she makes a promise to him that if he can take her ribbon away from her, she will go out with him. The long battle between Maika and Yamazato begins...!