Stormy Night; Wife Returns Home to Give Birth; A Night Alone with Wife and Sister; Ayumi Miura JUY-974

My wife went back to her hometown temporarily to give birth. Worried about me, she asked my older sister, Ayumi, to help with housework. Beautiful, gentle, and with a hot figure, she secretly admires me. One day, as a major typhoon approached, Ayumi didn't come to help with the housework, and I thought she probably wouldn't come that day. But when I arrived at the door, I found her soaking wet, her umbrella broken…