Sakuya Izayoi is a playable character in the fighting video game, M.U.G.E.N Trilogy. She was confirmed along with many other Magical Girl characters on November 1, 2017. Shizuka Itō (who also voiced the female Byleth, Japanese) and Wendee Lee (English) provide the role for Sakuya Izayoi in this fighting game.
Sakuya first appeared as the Stage 5 boss in Embodiment of Scarlet Devil. She appeared in Perfect Cherry Blossom as a playable character and in Imperishable Night as Remilia's partner along with being in the new fighting game Immaterial and Missing Power. Later, she appeared again as a playable character in Phantasmagoria of Flower View, Scarlet Weather Rhapsody and in Touhou Hisoutensoku. She was a playable character once again in Double Dealing Character.
She essentially takes the position of managing the Scarlet Devil Mansion. Her height is "tall"; she is taller than Reimu Hakurei and Alice Margatroid but about the same height as Yukari Yakumo and Hong Meiling. She was not born in Gensokyo, and the name "Sakuya Izayoi" was given to her by Remilia Scarlet. In Perfect Memento in Strict Sense, Akyuu guessed that she might have originally been a vampire hunter.