奈須きのこ
The original "Melty Blood" was announced on October 8, 2001 at , the dōjin convention hosting only "Tsukihime" content. The plan was suggested by Nobuya Narita of Watanabe Seisakujo (French-Bread, from 2003). Kinoko Nasu wrote scenarios and Takashi Takeuchi designed characters. Watanabe Seisakujo developed the game system and pixel arts. They were known as the creator of parody games, but Nasu requested not to break the style of "Tsukihime". They had difficulty thinking of attacks because original characters didn't have an attractive skill suited for the fighting game. They also worked hard to create frames of animation exceeding "Street Fighter III".