Fresh off of swooping in to help Gavan bust the Makuu, rookie space sheriff Den Iga has been given a mission of his own: protect the Earth from the nefarious Demon King Psycho and his secret space syndicate, Madou! With the support of his trusty partner Lily and the fiercest arsenal this side of the Milky Way, Den fights to thwart Madou’s psychedelic schemes as Space Sheriff Sharivan!