My cute little sister, my beautiful big sister... Featuring a star-studded cast of 'Nonomura Atsumi, Hasegawa Rui, Aioto Maria, Seto Kirari, Yui Makina, Otozuki Sakino'! Six actresses included! My sister grew up and became more mature, and I couldn't control my desires for her body. Unable to suppress my emotions, I started a secret sexual relationship with her without telling our parents... My beautiful big sister seduced me and taught me erotic techniques. I got excited and gradually escalated, tormenting her relentlessly!
