For some reason, two of my childhood friends, who are pure and innocent, want to have sex with me. No matter how much they ask me to, it's a bit difficult to have sex with them! However, it seems that this is not the case with them, and recently they have been rubbing their breasts and kissing each other, as if to show off in front of me, and blatantly seducing me. When I see that, my crotch is fully erect! Whatever happens, happens! And I start having sex with them! Then, my childhood friends, who are more sexually active than I imagined, thoroughly milk my sperm...