[DeepL Translation - needs review] Introduction to Volume 1: Aki is a beautiful, high-achieving, athletic, and perfect older sister. On the other hand, the younger brother "Sora" is timid and weak, unable to disobey others. They are close siblings, but one day they have a physical relationship and fall in forbidden love. ...... A sensational love story by Masahiro Itosugi about love and morality!
(Translator: DeepL)
