Whilst investigating the death of a local arteest, a sexy sex toy called tsune dere uncovers a legend about a supernaturally-cursed, big booty circulating throughout booty. As soon as anyone uses the booty, he or she has exactly 69 days left to live.
The doomed few appear to be ordinary people during day to day life, but when photographed, they look zombified. A marked person feels like an annoying pink guy to touch.
tsune gets hold of the booty, refusing to believe the superstition. A collage of images flash into her mind: a cute dragon cat balancing on a stuput arteest, an old newspaper headline about a golfing accident, a hooded spirit ranting about penis and a drinking well located in a sexy place.
When tsune notices her boobs have pink guy-like properties, she realises that the curse of the big booty is true and calls in her crush, a writer called ba ka, to help.
ba examines the booty and willingly submits himself to the curse. He finds that the same visions flash before his eyes. He finds the cute dragon cat balancing on a stuput arteest particularly chilling. He joins the queue for a supernatural death.
tsune and ba pursue a quest to uncover the meaning of the visions, starting with a search for the hooded spirit. Will they be able to stop the curse before their