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My Stepmom's Daughter is My Ex

My Stepmom's Daughter is My Ex

継母の連れ子が元カノだった

Mizuto Irido and Yume Ayai were a couple in middle school, bonding over their shared love of literature. But their relationship soured, and they broke up just after graduation. Now, fate has a cruel twist in store: their parents have remarried, making the former flames step-siblings who must live under the same roof.

Forced to coexist, Mizuto and Yume agree to a pact: whoever breaks the boundaries of a proper sibling relationship loses, and the winner gets to be called the older sibling and make a request. But living together stirs up old memories and unresolved feelings, blurring the line between sibling rivalry and a second chance at romance.

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