The bride is going home to give birth. Tomoya was about to go out to pachinko, which is normally prohibited, in order to enjoy living alone for the first time in a long time. Then, Mao, my sister-in-law, came to help me with the housework. I was grateful for cleaning up the messy living room, but for some reason Tomoya was able to show off her panchira and chest chiller. The lower half of the body reacts unintentionally to the dense sex appeal that drifts from Mao.