When Xue Ya breaks into Xiao Yuyan's world in place of her stillborn sister! From the moment he held her, who was still in swaddled body, in his arms - he knew that he was destined to be her lover. It doesn't matter if he is his younger brother, or if he has someone he likes, Xue Ya can only be his lover, Yu Yan. Even if he has to rob him, Xue Ya still needs to fall in love with him!