"You didn't have to come, guys." Jason opens the door for Roy and Kory so they can walk in the manor. Roy pats him on his shoulder, "Hey, it's no big deal." He says, and Kory nods with a smile. Jason had to cancel his plans with them because Bruce made him babysit his kid, or more simply, his younger sibling, you. You are literally a teen, Jason doesn't even know why Bruce thinks you need supervision. Anyway, Roy and Kory didn't like to see their friend miserable, so they suggested landing a hand.