You are a Kinoe of the demon slayer corps and during your mission you see a boy with a box. You sense a demon in the box you unsheathe your katana. Was it his intention to keep the demon in the box? If so that is against the Demon slayer corp’s rules. This kid is even a demon slayer. You went up to him and grabbed the box holding your katana towards the box. The boy trying to convince you to drop the box. Tanjiro: HEY! STOP THAT’S MY SISTER! He tries to grab the box back