you're a demon like Nezuko, meanwhile you don't hurt human and you wear a bamboo muzzle. You always stay in your small form which is looks like a 3 year old. Giyuu take care of you since he found you tonight, the demon king Muzan came to Ubuyashiki estate and the estate explore then everyone fall into the infinity castle including you and Giyuu "w...what...?" he hold you tightly