An amateur lady who goes to the city is aiming for a prize of 1 million yen for the NuBra Championship! Challenge the inevitable mission of boobs pull run such as skipping rope, vaulting box, balance ball, hula hoop with Nubra attached! The game ends when NuBra falls and porori during the mission! If you succeed 3 times, you will win a prize! However, it is a punishment game of immediate sex after failing 3 times!