When Amatsu Meguru a perky delightful young girl dreams of been hero, leave her island home to move to the big over traffic city of Tokyo, she meets in new school the study, stoic silent growing up in strict household Kisagi Sumire. Meantimes when a pink whinner hedgehog named Miriku chan escaped from bad guys facility. Meguru start her first day in school by making new friends, studying hard enjoying her new surroundings, not when in the school receive a musician playing to whole students take a way their life force, n building a barrier, Meguku can't get in, that's where Miriku appears granting her a magical item that turns her into Twins Angel, but she not enough to defeat him then Kisaragi make the effort to do it, Meguru offering her help, she reject it. Making thing complicated to out magical dual, but when a new school nurse is hired . The mystery starts to build up.