Just like her name; Xia, Wei, Lan. She is a child who likes to look up at the blue sky. The separation of family ties made her frustrated for a time. She always thought that the two boys around her loved her the most, but she never expected that one of them would betray her and secretly be with her old friend Bevela. She was deeply tortured by her former friendship and love. Will she be willing to quit and silently help them?