[Both leads are chaste + devoted love + exclusive affection]
Xun Xifan is an extremely yin person with a seal inside her. To stay alive, she must find an extremely yang person before she turns eighteen and unite with him in yin and yang.
After searching high and low, Xun Xifan decides the extremely yang person is far too noble for her to marry. So she resolves to seduce him instead.
Once she succeeds, she runs away.
The extremely yang person feels utterly humiliated and vows to find Xun Xifan and take revenge.
But when he finally finds her, his attitude changes...
