Hinaki Ubuyashiki (産 (うぶ) 屋 (や) 敷 (しき) ひなき Ubuyashiki Hinaki?) is one of the oldest daughters of Kagaya Ubuyashiki. Along with her twin sister Nichika Ubuyashiki, she stayed by his side and died with him.
Appearance
Similar to the rest of her family, Hinaki had pale skin and large, purple eyes. She had white, shoulder-length hair styled into a blunt bob with bangs and sported a red ribbon on the right side of her head.
Hinaki was usually seen wearing a dark blue kimono decorated with purple flowers and a maroon obi, nearly identical to her twin sister.
Personality
Hinaki was usually very quiet, but kind. She loved her father very much and was loyal to him even to the point of dying alongside him.
History
Natagumo Mountain Arc
Hinaki is seen sitting next to her sister and Kagaya while he is informed of the attack of the Spider Family on the Demon Slayers.
Abilities and Powers
As an ordinary human, she doesn’t possess any additional powers or abilities.
Source: kimetsu-no-yaiba.fandom.com