Aunt Mari, the manager of the boarding house where we are staying, has been protecting this boarding house single-handedly since her husband passed away.She doesn't have any particular hobbies, but she works as a fitting part-time job at an underwear mail-order company, and this underwear is extremely erotic.It's so hot that we sneak a peek when Aunt Mari starts trying on her and bet on the color of her underwear.One day, the lodger, Iseshima, was questioned and confessed.Ah, what will our pleasure be! !