紅魔城伝説 緋色の交響曲 (Koumajou Densetsu: Akeiro no Koukyoukyoku), lit. Legend of Scarlet Devil Castle: Scarlet Symphony. Often referred to as Touhouvania. Later titled as Koumajou Remilia with the series remaster.
A series of Castlevania-themed Touhou fangames by Frontier Aja. Characters receive a design change to better fit with Castlevania's gothic aesthetic.
