Worried about her father-in-law, Toru, who lost his will to live after his wife passed away, Azumi began to go back and forth to her husband's parents' house. Seeing Azumi's resemblance to his late wife, Toru gradually regained his energy. Especially Azumi's lips...Toru was transfixed by her plump lips, a pale pink color. Then, one day, aroused by desire, Toru loses his reason and seduces Azumi lips. Azumi desperately resists her father-in-law who also runs his tongue over her pussy, but her body is secretly trembling with the pleasure she is experiencing for the first time...