"why does uncle make a thumping sound when he ejaculates?" the immature junior high school girl ran himeno got hooked on the feeling of ejaculation. taking advantage of her lust, she secretly studied sex with her uncle without telling her parents. "this thumping is fun!" she enjoyed the pulsating cock at the moment of orgasm and demanded ejaculation over and over again. the obscene sex record of ejaculating until the middle-aged man's sperm runs out.