(I wonder what happened) Lately, my mother-in-law, Tomoka, has been acting weird. As soon as her father leaves, she puts on makeup and sneaks out somewhere, and she comes back in the middle of the night looking exhausted. Tormented by her guilt for suspecting her girlfriend Yuka, Wataru goes out to a sex club to vent her frustrated feelings... Surprisingly, Yuka herself appears! Tomoka stops Watari from rushing home, but...
