That serious lotion sex battle show between families is back again with an ``open-class'' body size! All the short and big are here?! As they get covered in lotion and get entangled and messy, enthusiastic cheers fly out from the families as they compete against each other, ``Cum inside!'' and ``Get it off with a blowjob!'' A serious lotion-based technique battle show between unique families with a prize of 1 million yen!