sessyoin_kiara_(festival_outfit)
Sessyoin Kiara in her outfit from the Festival Portrait: Sessyoin Kiara Craft Essence (fate).
Part of a series of 39 Fate/Grand Order CEs celebrating the game's fourth anniversary in 2019, each featuring a different Servant in an outfit matching the theme of one of the festival's attractions: Chaldea Palace, Luluhawa Island, Battle Arena, and Halloween Town.