The happy married life of the Tsuzuki couple entered its third year. One day, the husband was assigned to work overseas, so his wife Ruisa decided to attend an English conversation class at her husband's company. Ruisa felt a new vitality from the kind and passionate teaching methods of Mike, the black instructor. One day, Ruisa took Mike, who was drunk, to a hotel and witnessed his shocking, thick black penis… Slender big-breasted beauty Tsuzuki Ruisa unleashes her first black SEX！！
