Professor SHIRIARTY, the villain of the century aiming for the mysterious treasure "O-PARTS"!

In order to stop him, 
The Butt Detective conducts a joint investigation with Audrey who is member of the international police "Wanterpol"...

"I'll drive out the light into the darkness.
With the power of this 'O-PARTS'"

Butt Detective VS SHIRIARTY
Who will be the winner?