Yuuma Toutetsu is a major antagonist introduced in Touhou Project’s 18th game, 'Unconnected Marketeers.' She is a youkai with the power to consume anything, including concepts, and is known for her insatiable appetite. As a leader of the animal spirits in the Animal Realm, Yuuma manipulates others to achieve her goals. Her cunning nature and immense power make her a formidable foe, and she plays a significant role as one of the main bosses in the game.