Rina is a 21-year-old university student. We met during an alumni workplace visit, and despite knowing she's married, we started a casual sexual relationship. She has a deeply twisted side—being involved with someone who already has a significant other turns her on, and that only makes her more erotic. Our date began at a café, where we relaxed and enjoyed a calm atmosphere, then headed to a goldfish museum. After enjoying the goldfish, we quickly moved to a love hotel. When I asked what kind of sex she wanted today, she begged, "I want to be punished really hard...///" Thanks to my usual soft S-play teasing, her submissive side is gradually blooming. Removing her clothes revealed purple lingerie—brand new and just for today (lol). I sucked on her hard, erect nipples and pleasured her sensitive pussy until she climaxed. With her pussy thoroughly warmed up, I immediately thrust in bareback. The harder and deeper I piston-fucked her, the more she came, unable to stop. "Hit even deeper..." she pleaded, and I obeyed, continuously pounding her cervix until she convulsed and shuddered in orgasm. Without pause, we moved to the bed where I spanked her while relentlessly thrusting again. "It'll get all red..." I said, to which she replied, "I'd normally hate it being red, but if it's from you, Touma-kun, it's okay...///" Hearing that, I couldn't help but want to creampie her. (??) Even though she said, "That's dangerous!!", I still unloaded every drop deep inside her pussy with a full internal cumshot. Rina looked satisfied, but I wasn't done yet—so I made her change into the white stockings I brought and began round two. After anal licking and vibrator play, we switched roles. She slowly licked my shaft and balls until my cock was rock hard, then I re-entered her. Her pussy seemed even more sensitive this time, as she climaxed nonstop (lol). "Aaahn, it feels so good...!! I'm cumming like crazy...///" Her tight, gripping pussy made me lose control, and we came together—finishing with a cumshot all over her cute face. I want this relationship to keep going, so I'll introduce her to HR, get her hired at my company, and keep fucking her (lol).