Satoko-chan (19) is a serious, kind and slender girl who listens to us with a smile. I was skeptical when I heard that pre-cum and sperm from the male genitals are effective in removing tartar, but when I touched her cute A-cup small breasts, she looked embarrassed but had a womanly expression! When I put my big dick inside her, her expression changed and she became super sensitive with multiple intense orgasms! In the end, she was a kind girl who even brushed her teeth with the semen!