My brother and my mother who came to a hot spring trip in the suburbs ... and for some reason I. Her sister-in-law, Nao, prepared two pairs of tickets, so she was forced to participate in the counting. The inn was more luxurious than I expected, and my mother and brother who soared got drunk as soon as they drank alcohol. Alone with a beautiful and gentle sister-in-law while the family is sleeping. I can't take my eyes off when my bare skin, which is dyed red after the bath, looks through my yukata. Did you notice such a line of sight? Nao approached me ...