"My older sister, who always takes things from me. I suppose I have no choice but to give it to you. ...What, are you regretting it? It's too late to cry about it now."

Since childhood, Rosa had been having the men she fell in love with stolen away by her older sister Ceres. Even when she came of age and became engaged, he was taken from her. After being robbed of love again and again, an exhausted Rosa devised a plan. She swore revenge against her sister, and then――Ceres discovers an unexpected truth――. *Also being serialized on Alphapolis.