Flandre Scarlet - Touhou Wiki - Characters, games, locations, and more

Flandre Scarlet (フランドール・スカーレット, Furandooru Sukaaretto) is the younger sister of Remilia Scarlet and a vampire who lives at the Scarlet Devil Mansion. She first appeared as the Extra stage boss of Embodiment of Scarlet Devil, and has appeared as a playable protagonist in Touhou Gouyoku Ibun.

Koumajou Remilia: Scarlet Symphony on Steam

Flandre Scarlet, Wiki

No, No, She's got a point : r/touhou

Touhou Project Characters - Giant Bomb

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Scarlet Devil Mansion Characters - Giant Bomb

Poppo Tea - Zerochan Anime Image Board

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Touhou Project Characters - Giant Bomb

remilia scarlet, flandre scarlet, izayoi sakuya, patchouli knowledge, hong meiling, and 1 more (touhou) drawn by niwatazumi

flandre scarlet (touhou and 2 more) drawn by banpai_akira

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Touhou Project / Characters - TV Tropes