ATID-439 Grandpa, don't let me inside! - Urara Kanon

Even at the age of 70, Seiji's sexual desire still hasn't diminished, and he becomes sexually curious about his granddaughter-in-law, Hana, who lives with him. - Seiji, a former university professor, quotes Western literature from his specialty and emphasizes that sex is a wonderful act, but Hana just looks down in embarrassment. - One day, Seiji discovers Hana's secret sexual urges and sets a trap for her...