4 G-cup busty beauties found in a hot spring town challenge the "one-towel daruma-san ga koronda" game aiming for a prize! Stop & go towards the goal with the cry of "Daruma-san ga...?" while hiding their breasts and pussies with only one towel in a completely naked state! If you enter the obstacle zone along the way, various traps await you, such as a bread-eating zone, a tickling zone, a trembling zone, and a slimy hand zone, while hiding those overly large busty G-cups! If you clear everything and successfully reach the goal, you'll get a prize!! If you lose, a bonus game that is too lewd and too good is waiting for you!? Will they grasp the glory of the prize money!? Will they grab it with their busty breasts, clamping their rock-hard erect dicks!? Please verify it with your own eyes!