Tsukuda Kohei was once a researcher with the Aerospace and Science Exploration Agency and now runs Tsukuda Industries, a small factory which was left by his father. Although his relationship…

Kimihiko Onizuka is a salaryman infatuated with maiko (apprentice geisha) and whose greatest goal in life is to play a party game called “yakyuken” with one.

A male corpse is discovered with a smashed face and burned hands. Strangely, the cause of death is determined to be strangulation. When Detective Kaoru Utsumi attempts to corroborate the…