A girl (Shuna) who devotes herself to taking care of her disabled grandfather. My grandfather, who was so kind and close to me, suddenly changed, and while fear and pleasure were mixed up, the girl's crack came one after another. A girl who has been crying and panting with many old man's cocks and semen. A sexual desire runaway to a close relative girl who can not be stopped by anyone. I can't go back On that innocent day...