Unable to confide in her husband, she was repeatedly penetrated 25 times by her eccentric grandfather. (Neo Akari ATID-396)

Murai Shozo is the 70-year-old grandfather of Saka's husband. This lecherous old man remains incredibly energetic, with an abnormally strong sex drive. Five years ago, after his wife passed away, he saw his granddaughter-in-law Saka, with whom he was living, and pretended to be a weak old man to gain her sympathy...