India, Jan. 9 -- A handwritten note left by a grandmother has led to a heartwarming reunion in Tokyo nearly five decades in the making. Meredith Dean recently shared the story of her father, Walter, an American from North Carolina who reconnected with his former Japanese exchange student, Kazuhiko, after 48 years. The long-lost friends were reunited after Walter discovered a forgotten email address tucked away in his late mother's belongings.

"The sweetest story you'll see on the internet today. After 48 years, my American dad (from North Carolina) reconnected in Tokyo with his Japanese foreign exchange student after 48 years," Dean wrote on Instagram.

She added, "Dad randomly found an old email address in some handwritten things my gra...