Flandre Scarlet is a fictional character from the Touhou Project, a Japanese bullet hell shooter game series created by Team Shanghai Alice. She is a vampire and the younger sister of Remilia Scarlet. Flandre serves as the Extra Stage boss in "The Embodiment of Scarlet Devil," the sixth game in the series. Known for her immense power and unstable personality, she has been kept inside the Scarlet Devil Mansion for nearly 500 years. Despite her childish demeanor, Flandre possesses a destructive nature, making her one of the most formidable characters in the series.