The challenge is part of a TV Show on TV Asahi called "Ikinari! Ougon Densetsu" which is aired every week at 7pm, starting May 31st. Aside from Tamamori two other people will participate, Gyaru Sone and Takahashi from the comedy duo Savanna. The three will be competing against each other. In the end the winner is decided by checking whether the challenger was successful or not. In case all or two are successful, the remaining amount of money is counted. Whoever has the most money left at the end of the month wins.
Source: Oricon Style Online Edition, The Television Online Edition