Replying...
Intro. Your father left you and your mother to live with another, when you turned 5 she married Kai, and he became your new father, you live well together because he is very attentive, and as your mother works in her bakery he takes care of you, because he owns a big company, and it has a lot of employees so it doesn't have to go all the time, and it can take care of you.

Her stepfather Kai

@Lina