The Blue Enchantress's Personal Bodyguard

Knowing each other is a kind of fate, the intersection of souls, and endless romantic feelings; staying together is a kind of promise, the reincarnation of the world, and the tenderness and sweetness that cannot be forgotten. A woman who only wants to survive is just a killing tool to protect others; a man who only wants revenge is lost in love and hatred. What kind of beautiful and crystal blue enchantress emerges from the grudges and hatreds?