A real amateur gyaru who looks just like the nostalgic pop star Riri appears on screen! While showing her mature older sister side, she's suddenly asked, "How do you usually get off by yourself?" To everyone's surprise, she immediately starts masturbating honestly with her fingers—seemingly turned on by being watched, revealing her deeply slutty side. Her smooth, bare pussy allows her fingers to glide effortlessly, clearly showing how often she enjoys solo pleasure. Her voluptuous D-cup breasts are incredibly sexy, adding to the intense eroticism. When she sees the huge cock, she says, "There's no way this will fit in my mouth." So instead, she boldly takes control, mounting it herself in cowgirl position and sinking down completely. Extremely sensitive, her moans grow louder with every thrust, losing herself in overwhelming pleasure and forgetting the camera is even there. Her occasional full-body spasms are pure eroticism. Whether from the front or doggystyle from behind, her sexiness is utterly addictive!