While my wife was in the hospital about to give birth, her mother came to help with the housework. Seeing his mother-in-law doing housework in scantily clad clothes, Jun'ichi pours out all the sexual desire he had built up since his wife became pregnant. At first, Junichi's mother-in-law hated him, but when she remembered the woman she was, she said that this was the last time and accepted Jun'ichi.