This is a truly absurd and brilliant sci-fi masterpiece!! In the year 2020, the monster "Lady Jiara" appears in a space battle, and spacetime travel occurs on Earth... The story suddenly shifts from hard sci-fi to a sci-fi comedy overflowing with gags!? From the Roman Empire to the Edo period, this is a whirlwind sci-fi masterpiece that will have you laughing non-stop until the very end. The origin of the genius of sci-fi manga, Itabashi Shuho, and his early masterpiece (or perhaps infamous work) is revived here!