Hikari, who works as an undercover investigator with her husband, was infiltrating the casino where the organization was hiding in order to uncover the darkness of the organization today. Hikari pretends to be a customer and waits for contact with Takeda, an executive of the organization. Nearby, her husband, disguised as a waiter, asks how she is doing. And after some time has passed since the game started, the target, Takeda, comes into contact with Hikari. She takes a one-night bet on Takeda, who wants a game, loses on purpose and tries to get information, but Takeda finds out that Hikari is an undercover investigator...
