Despite her gyaru looks, Aihara Yuzu is an innocent high school girl with no experience and no prior loves. When her mother remarries, she's transferred into the prestigious "Aihara Academy" for young ladies. However, on her first day at school she happens to witness the diligent student council president, Aihara Mei, making out with her hot homeroom teacher... Yuzu returns home, unable to hid how upset it left her, when her mother announces Mei will be her new step sister, and they'll be sharing a room...?!
Almost all the girls here have been part of 
the escalator system since elementary school.
Fast alle Mädchen hier sind seit der Grundschule
Teil des Escalator-Systems.
Casi todas han estado en el sistema
de esta escuela desde la primaria.
Casi todas llevan en el sistema
de esta escuela desde primaria.
Ces filles sont presque toutes ensemble
depuis le primaire.
Tutte le ragazze di questa scuola
Quase todas aqui estão na mesma rede
desde o fundamental, no piloto automático.
Тут почти все учились в этой
академии с начальной школы.