koumajou densetsu
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.
A series of Castlevania-themed Touhou fangames by Frontier Aja. A patch exists which adds English text and an EX Stage, as per the Touhou tradition.
For the first game in the series, see Koumajou Densetsu 1.