Ibaraki Douji summoned as a Lancer-class servant. Her Noble Phantasm is Encomium Moriae, where she uses Rashomon Dai Engi as a punch to uppercut an enemy skyward, turning them into fireworks while she eats during the display.
She has three distinct designs depending on her Ascension level:
This tag implicates ibaraki_douji_(fate/grand_order) (learn more).