What's with deliberately revealing underwear so people can't help but be caught off guard? Seeing the sheer underwear of the patient's girlfriend next door is incredibly arousing! HUNTB-344

Seeing the sheer underwear of the patient's girlfriend who came to visit me next door gave me an incredible erection! I wondered if she was trying to seduce someone, but after she noticed my erection, she started blatantly seducing me instead... and even started taking my penis in and out to relieve her stress...