Himawari Akari @ Akira , a girl who lives with her step parents . She lives with a wealthy family and her step parents really care for her more than anthing. But one day, her mother got pregnant and she soon have a daughter which is Akari's new little sister, Aiyuu Kotaro ( different family name). Her step parents got really fond of their new child, until they forgot about Akari. Akari feels jealous and ran away with nothing but a feeling of sadness.All Rights Reserved