Chu Qinghui had a neighbor brother who grew up with him. He thought they would always get along with him as good brothers, but their relationship turned sour in high school. He didn't know who seduced whom first, but the sparks that never came out kept beating in Chu Qinghui's heart.
Being cold on the outside and hot on the inside restrains attacks and duplicity, but is not affected by the sun.
Concept: youth, confidence