Alternative Name:You Weren't My Sister, but My Fiancée!?; Ты была не моей сестрой, а моей невестой!?; お前妹じゃなくて許嫁だったのかよ!?

Genre(s): Romance School LifeComedy

Demographic:Shounen

Summary:
Humanity, love our little sister. I miss the time when her younger sister Kana was fond of me. Takashi Shiina lamented the current days when he was o... MORE Humanity, love our little sister. I miss the time when her younger sister Kana was fond of me. Takashi Shiina lamented the current days when he was often ignored. One day, his parents cut out a shocking story. Surprisingly, he wasn't his real son but he was his sister Kana's fiancée? HIDE