To replace his wife who is on a long business trip, her sister Saura comes to take care of him. Every time she moves, her explosive breasts shake in a way that Daisuke can't help but notice. Unable to resist temptation, he peeks at her bathing form, and ultimately, he is forced into a mixed bath by Saura's insistence. 'I'll take care of you every day until she comes back,' she whispers, making him a captive of the ultimate giant breasts that he has dreamed of...
