VENU-991 1 night and 2 days of being overtaken by my wife's older sister who suddenly came to visit Rin Azuma

After many quarrels, the wife finally ran away from home. Atsushi was at a loss, but his wife's sister, Rin, came to check on him and even offered to give him advice. After Atsushi learns the secret to maintaining good marital relations, he promises to return the favor as a token of his gratitude. Atsushi, who had made a cheap offer, was forced to physically thank Rin that night.