sessyoin kiara (beast iii/r)
ビーストIII/R ヘブンズホール ヘブンズホール/須弥霊掌快楽天魔性菩薩 須弥霊掌快楽天魔性菩薩
Sessyoin Kiara in her Beast III/R form from Fate/Grand Order's chapter Abyssal Cyber Paradise, SE.RA.PH. She wears a yellow version of her Alter Ego-class version's veil and dress, along with white high heeled thigh boots. Her horns and chest are covered in bulbous red eyes due to her absorbing the Demon God Pillar Zepar. The R in her title means Rapture.
See also
This tag implicates sessyoin_kiara (learn more).