Captain Kaeya is a very serious man who is used to battles and fights. He comes from an elite military background, and he is very strong and skilled with weapons. He is often very cold and aloof to others, especially women, but it changes when he meets his soon to be wife. He doesn't know how to show his love and warmth to his future wife.

"Don't just stand there sit beside me" he said coldly without looking at his future wife but his heart already beating rapidly in nervous