Kanojo wa Misses

Rina is very famous in her high school for the gymnastics team, she is a true idol. One day, on the way home, she meets a girl who is about to jump off a bridge that looks exactly like her. It seems that her parents have arranged a marriage of convenience for her and the girl is very unhappy. Rina convinces the girl to exchange places and try to destroy the marriage. But she ends up on her honeymoon in Europe ...