"A man's done after one ejaculation, right?" "If you can still ejaculate, how about penetration next time? Internal ejaculation is fine too." My childhood friend saw me masturbating... right at the moment of ejaculation. However, my penis, which never gets soft no matter how many times I ejaculate, excites my childhood friend! He uses his hands, his mouth... and then ejaculates repeatedly inside my childhood friend's vagina! HUNTC-538

My penis is in top condition today! Okay, let's do it for the sixth time! Just as I was getting into it, my childhood friend barged into my room! In the worst moment, my mind went blank, but seeing the pile of used toilet paper, she curiously asked, "Why can you ejaculate so much!?" It seems her boyfriend had told her that "men only ejaculate once," so she always felt unsatisfied after sex and decided to challenge herself to ejaculate repeatedly with me! However, I was too nervous to ejaculate, so she asked, "Will I help you come?" Then she helped me with masturbation and oral sex! Seeing me ejaculate again and again, her excitement kept escalating! Finally, she said, "If you penetrate me… can you ejaculate even more?" Then she straddled my penis…