chouko being the heiress of the makana family who's very old and very influential couldn't make any friend because of her bodyguard and always tried to escape them as a solution to that her father proposed that if she enroll into mizono high school a school for shinobi and was able to be recognized as master by one of them if not she would have to follow her father order forever but what happen when one of the shinobi hug her and start following telling her that she's his master ?