MOND-023 Mari Yokota, the daughter-in-law who was pushed down by her father-in-law who recovered quickly

An old man is sleeping on a futon in a Japanese-style room. The father-in-law seems like he might die at any moment, but thanks to the care of his beautiful daughter-in-law, Mari Yoda, he quickly recovers. And as he regains his strength, his lower body also becomes rock hard, and he pushes his daughter-in-law down...!!