Narita Tsukasa charges forward into what's billed as her debut challenge—an unexpected all-out cum swallowing performance! This release features her first massive cum swallow and four sex scenes, with a special setup where she drinks down every single drop of semen released across all six segments. Intense scenes unfold with sweat, love juice, bodily fluids, and cum all mixing together, delivering the ultimate erotic experience, just as the shocking title suggests: "Is sperm a drink??" This is a powerful, one-of-a-kind production where her submissive instincts truly blossom.