Brook

Kiriya Ubuyashiki

産屋敷 輝利哉
Kiriya Ubuyashiki is the son and middle child of Kagaya Ubuyashiki and the current head of the Ubuyashiki Household. Kiriya appeared along with one of his sisters at the Final Selection to greet and inform the Demon Hunters in training of what their last trial will entail. (Source: Kimetsu no Yaiba Wiki)