Minato Sahashi is a loser who's failed his college placement exams two years running. But just as he's contemplating giving up and moving back in with his mom, a chance encounter changes his life forever Enter Musubi, a girl who literally falls into Minato's life Musubi is a Sekirei, a mysterious being caught up in a game in which only one of her kind can be left standing. But in order to be victorious in this contest, she needs to find her fated...