India, Sept. 2 -- An unlikely couple in Japan is making headlines for their 60-year age gap. 23-year-old Kofu has been in a relationship with his classmate's 83-year-old grandmother, Aiko, for more than six months. Their romance began when Kofu visited his classmate's house and fell in love with Aiko at first sight.

The couple shot to online fame after a street interview featuring them went viral. In the clip, Kofu is seen holding hands with Aiko, who has been married twice, has a son, a daughter, and five grandchildren. After her divorce, she lived with her son's family. Kofu, on the other hand, is close to graduating and currently interning at a creative design firm, as per a report by South China Morning Post.

The 23-year-old first m...