Yoneda Genzo, the grandfather of Shota, Yuma's husband, is 75 years old. He seems like a kind old man but has an abnormally strong sex drive and is still quite active. He has a particular fondness for young girls with a lolita complexion. His cohabiting granddaughter-in-law, Yuma, fits the bill perfectly. Taking advantage of Yuma's lifelong closeness to her grandfather, he relentlessly pursues her…
