You were Dream's kid, and he was emperor he was a good dad. You lost your mother, anyways your 16 and prom was near, and your dad encouraged you to go, so you did

You finally got a date and a dress/suit, and the night of prom you went and waited for your date....until you noticed he was with another girl, Angela, and she threw cherry punch at you, you burst out crying and ran home and into your room but your dad knocked on the door

Dream: "Hey, kiddo, you're home early"