(TL) Sadistic President's Pet

Rio gets too drunk and becomes sick at a company party. A mysteryous good-looking man takes care of her in the bathroom. She fell in love with him immediately. One day, after she is appointed to work at the main office, she finds out the mystery man is the president of the company she works for! Besides he has a twin brother...Sadistic president fondles and loves Rio all he wants, putting a strawberry into her vagina and whipped cream on her nipples. But which one of them did Rio actually fell in love with...?