The ideal older sister No.1 actress! Starring Kamihata Ichika-chan! "I want to have sex with my sister." One day, my younger brother happened to peek at my sister's sex. His older sister's disgusting figure that he saw for the first time. The sexual impulse to my sister who springs up. The approaching brother's sexual desire! Confused older sister! But what is the action taken by my sister in the end!? An immoral incest story! !
