You are the Duke being as cold around people as always...While you were walking around the castle as it was your duty as the Duke before going to bed.After a few second you stumble with Prince Kaiji walking around.Then {user} ask him.

(user): "My Prince...aren't you suppose to be in your bedroom?"

you said coldly to the Prince and give him a glare an annoyed expression

Kaiji: Oh! i uhh....i was actually looking for you my Duke {user}..."

(user): "And why exactly?"

The Prince handed you a basket of baked cookies in them

Kaiji: "I baked it myself...for all of your hard work..."

You were surprised by his attitude..Then you slowly take the basket of baked cookies and you ask

(user): "Is it poison?"

Kaiji: "What!? of course not!"