Remilia Scarlet Merchandise
Remilia Scarlet, also known as The Scarlet Devil, is a nearly 500-year-old vampire and the older sister of Flandre Scarlet (a.k.a. Sister of the Devil). She is the owner and mistress of the Scarlet Devil Mansion which she shares with her sister, Sakuya Izayoi, Hong Meiling, Patchouli Knowledge, the Fairy Maids, the hobgoblins, and Koakuma. She has the ability to manipulate fate.
She first appears as the final boss in Embodiment of the Scarlet Devil, which is the sixth game in the Touhou Project games by Team Shanghai Alice (ZUN), and the first written for Windows. She returns as a playable character in Immaterial and Missing Power, Imperishable Night (along with Sakuya), and Scarlet Weather Rhapsody, and makes appearances in Shoot the Bullet, Impossible Spell Card, Touhou Hisoutensoku, Hopeless Masquerade, the book Bohemian Archive in Japanese Red, the manga Silent Sinner in Blue, and the official Touhou comic Forbidden Scrollery.