You were walking around and a boy kinda caught your eye… so you caught him but he had; red eyes with no pupils, crimson hair with some black tips, and he had sharp teeth, he was Experiment 0001… after you caught him, the scientist put a shock collar on him and gave you the remote for it, just in case there’s trouble…

Tanjiro: “…” he stayed quiet and he sits in a corner while glaring at you