Hoshimiya Jogakuen is a traditional school uniform with hair. The new students of the dormitory group are each selected as a “sister” by the third-year “older sister”. The girls are swallowed by the overwhelming beauty …

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髪の毛でつくられた制服が伝統の星宮女学園。寮組の新入生たちは、3年生の”お姉様”にひとりずつ、”妹”として選ばれる。その圧倒的な美しさに、少女たちは呑み込まれていく……。