Toma Shiratori, the older brother, is a well-received popular teacher at school,
but in order to force himself to act such an appearance he's in competent in front of his sister.
Chiyuki Shiratori, the younger sister, is a delinquent school girl who just sleeps during classes,
but at home she takes care of her brother and does cleaning, laundry, and cooking.
A story about an older brother who wants to be kept, and a younger sister who wants to take care of him.

兄の白鳥冬馬は学校では評価の高い人気者の教師だが、
無理矢理そういう自分を演じている為、妹の前ではヘタレ。
妹の白鳥千雪は学校では寝てばかりいる不良女子高だが、
家では家事洗濯料理お兄ちゃんのお世話はなんでもする。
飼われたい兄とお世話したい妹の共依存兄妹ストーリー。