Description: 5029 AD, "Guillotine", the Japanese territory on Mercury, a city full of neon signs and drunks. Under the "sky cover" that shades the sun, "Guillotine" is a world that even the lights of stars can not reach. The whole world on Mercury will be destroyed every three days. Under such a desperate situation, the protagonist and the mechanical maid with rabbit ears are struggling without giving up, looking for the truth of the incident. You will explore the beautiful cyberpunk-style 2D world, play music to the residents of Mercury to gather intelligence, and finally achieve the goal of saving the world.