Night Sing is a third-person shooter-style 3D game developed by Valkyrie Studio and Unity. Similar to the traditional third person RPG, the game includes soft decryption and 3D animation. General Goodell in Germany permits vampires to be immortal as a bargain and invade the city of Romilia during the Bloody Moon, causing a massive crisis with zombies. A group of vampires NightSing takes Remy, the lord of the William family, to get rid of vampire hunters to revive William the Conqueror, who was the King of the Vampire Empire. Leading roles such as Lin Xuei and Asami began their adventures to save their childhood sweetheart Remi.