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...?!
I always thought kissing was more 
about sharing your feelings, or...
Ich dachte eigentlich, beim Küssen geht’s
eher darum, seine Gefühle zu teilen …
Siempre pensé que besarse era cuestión
de compartir tus sentimientos…
Siempre pensé que besarse era cuestión
de compartir tus sentimientos…
Normalement, un bisou,
Dare un bacio a qualcuno,
Eu sempre pensei que beijos eram mais
para mostrar seus sentimentos, ou...
При поцелуе должны проверяться взаимные чувства...