My adult younger sister Ena loves swallowing semen. After I move to Tokyo for college, she regularly visits my apartment demanding a drink, smiling as she strips me and sucks every last drop. She licks my piss-wet cock, masturbates to revive me when I go soft, rides me, complains when I creampie her because she cannot swallow it, then forces another erection for an oral load. Even the bath and late night bring more sex as her jealousy over my girlfriend turns into an all-night cum feast.