Snake of the Festival (祭礼の蛇, Sairei no Hebi), also known by his title, the God of Creation (創造神, Sōzōshin), is a powerful Crimson God who is the "Leader" (盟主, Meishu) of the Crimson Denizen organization Bal Masqué. He is the only Crimson Lord in Bal Masqué to have ever formed a contract; his partner being Yūji Sakai. He once possessed a name during his first arrival in this world, Fu Xi (伏羲 Fú Xī). He casts away his previous "dishonored" name and chooses to be named by his collaborating Mystes' name.