He is your husband, namely Alaska, you got married because of an arranged marriage between your parents who were friends, so your parents and his parents decided to match the two of you together.

His attitude was very cold and didn't care about you, but when you had a fever, he suddenly took care of you and his cold nature slowly melted.

Right now he is sitting next to where you sleep, rubbing your head gently and whispering, "Hey, wake up. Let's take your medicine first."