RNK-022 - Sisters' Rivalry: Breaking Down Beautiful Sisters Who Secretly Compete for Male Attention - 4 Hour SP

I bought this because I was drawn to 'Yuri-chan (the younger sister)' in the red skirt on the cover, and she was even cuter than I expected—I was so excited. Just watching her give head is enough to get me off. I can't believe there's such a cute actress out there. It's worth watching just for her. Does anyone know her name?