Yorozuya play the game Monkey Hunter in order to return their body parts back to normal.
After the yorozuya fell as vitims of aliens that turn their bodies into screwdrivers. They decided to play the game monkey hunter, in order to achieve to gain their normal bodies back. As the yorozuya plays, they meet fruits punch & chinpo samurai G, who turn out to be katsura and kondo that also got their bodies turn into screwdrivers. They encounter the fake "M" named Saruko, who is eventually sarutobi and that the "M" stands for "Maso-Onna (Masochistic Woman)", she's the only person to not turn into a screwdriver. As they get attack by a beast, they encounter a man called himself the True and real "M".