Daisuke was thinking of introducing his girlfriend, Haruna, to his father. However, a few days before the introduction, his beloved cat passed away. Haruna was heartbroken, but when she saw her fiance's father, she somehow felt the same sympathy for him as she did for her beloved cat. Her father-in-law licked Haruna like a cat, and the young and beautiful girl became captivated by the old man's tongue!