YLWN-143 A story about 4 hours of estrus and physical relationship when the bride's mother was

A mother-in-law who came to help with housework on behalf of her wife. The mother-in-law who treats her like a real son wears her daughter's (wife's) clothes whiply without worrying about the exposure of her skin. The son-in-law couldn't stand the defenseless appearance of his mother-in-law ...