You Weren’t My Sister, But My Fiancée!

Synopsis

Takashi Shiina has grown accustomed to being ignored by his younger sister Kana, longing for the closeness they once shared. His world turns upside down when his parents reveal a stunning truth: he isn't their biological son, and Kana is actually his arranged fiancée. Now he must navigate this shocking revelation and the complicated feelings it stirs between them.

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