Old man's POV document: A sticky, intense and greedy body fluids, sweaty sex

I bought Rui, a female college student and rhythmic gymnast I found on a dating site overnight and played with her at my home as much as I wanted. Rui comes soakingly wet from the rain, and has beautiful big breasts that you wouldn't imagine from her small appearance. She looked at me with a puzzled look on her face, which could be seen as contempt. It's fine, I get more excited than that. A dirty old man, a perverted man... my desires grow to the point of thinking that way. I forcefully suck on her frightened girlfriend. Then, Sarui, who was resisting, began to let out a sweet sigh...