Nanako is a supergirl. She became a friend of Idabashi, an otaku who wants to be a mangaka, and Yotsuya, a genius who thinks only of money. She can fly, has super strength and is incredibly shy. The story unfolds as Nanako encounters a variety of dangerous missions and mysterious events, but her natural sunny disposition helps her through all the incidents as she solves each mystery one after the other. Grotesque and hilarious gag manga that became a cult classic of the '80s.