筋トレなどの動画配信などで収入を得ている人妻「ちゃんよた」。旦那を愛していたが、鍛えているせいで性欲が強く、夫とのセックスでは満足出来ていなかった。ある日、ジムで出会った筋肉質で若い男に欲情し、誘惑して浮気してしまう。その日から始まった絶倫痴女性交。人妻は若い男との激しいセックスにのめり込み、中出し性交に明け暮れる。Chanyota" is a married woman who earns her income by streaming videos of muscle training and other activities. She loved her husband, but because of her workout, she had a strong sexual desire and was not satisfied with sex with him. One day, she lusted after a muscular, young man she met at the gym, seduced him, and cheated on him. That day, she began a series of adulterous and lascivious sexual intercourse. The married woman becomes addicted to the intense sex with the young man and spends her days having Nakadashi intercourse with him.