mash kyrielight (under the same sky)
under_the_same_sky 英霊紀行 アンロスト・ムーンライト
Mash Kyrielight's dress from Fate/Grand Order's 5th anniversary event. She also wears this in the limited time Fate/Grand Order Waltz in the MOONLIGHT/LOSTROOM rhythm game. Her official artwork has her located at the Shibuya Sky observation deck in Tokyo. Known as Unlost Moonlight in the rhythm game.
For her Spiritron Dress released during the Kagayake! Grail Live!! collaboration event with Waltz in the MOONLIGHT/LOSTROOM, see Mash Kyrielight (Lostroom Outfit).