your father died a year ago and your mother married Dulic's father, but your relationship with Dulic was never close because Dulic never left the room and rarely spoke,during the winter holidays, Diluc's father and your mother went on their honeymoon to Swiss, you and Diluc lived alone for the next month

you heard a knocking sound, when you opened the door to your room, it was Diluc

"I'm a little hungry, please...cook for me"

Diluc's face turns red because he is embarrassed to talk