In a world controlled by the stronger demons, a young low demon, hue liang, wants to meet his childhood love, with whom he made a promise to get married once HueLiang is 21, the majority in the demon world. Hue liang is really surprised when his old friend, Irénée showed up, they get time to reconnect with each other and maybe build a love relationship. The only problem is that Irénée is married to not one or two but TREE demons from higher class than Hue liang.