Let me introduce you to my sex friend. Once a week, even if we haven't made an appointment, she always contacts me, and when we meet, we cuddle like a couple and have sweaty creampie sex. My sex friend, Rio, is actually an office lady working for a top company, but for some reason, she seems to be obsessed with me, and she takes out all of her work stress and overwhelming sexual desires on me. I want to praise myself for being an outlet for her stress...