Bian Yao and Jiang Duo got together when they couldn't talk clearly. The two mothers thought they had a good relationship, like real brothers, but the fact is that they didn't like each other for 14 years. You quarreled with me and I quarreled with you. They started fighting each other, and they started to get angry. Wait, aren't we sworn enemies? Yes, there is something wrong with you, Bian Yao...
Purpose: Undying loyalty until death