I ended up staying at the house of my childhood friend's twin sisters whom I hadn't seen in a long time. It seems both of them have learned some naughty things unlike when they were little... They kept fighting over my dick and begging for sex!! If I let one give me a blowjob, I have to let the other one do it too, and if I even think about penetration, the other one would say, 'That's unfair!! Me too!' and insist on raw insertion... Throughout the day, I was constantly controlled by the twin sisters' pace, without a moment to rest, as they relentlessly drained me of my sperm!