Shinjin Hatachi no Onee-chan AV Debut!! Yuuki Rin - Nee-chan, Ikura Nandemo Ikisugi Daro...

"Yuuki Rin is a brilliant student attending a prestigious private university. - Even from her younger brother’s perspective—mine—she’s beautiful, has a great personality, and is someone I can proudly show off without feeling embarrassed. - We often go shopping together or hang out, and we’re so close that people sometimes mistake me for her boyfriend. - But then, one day, she dropped a bombshell.