Transmigrated: Love Across Four Decades

On their wedding anniversary, Mrs. Sato stepped out to buy some groceries, only to find herself transported forty years into the future. Confused and still holding her groceries, Hana Sato was taken to a community service center, where she was picked up by her husband who had aged into an old man. Jun Sato had lived as a widower for forty years, believing that his young wife had disappeared and likely died. He never expected her to return one day, her appearance unchanged. "Ah, Sato Sensei, is this young lady your granddaughter?" "No, she's my wife." "Your... wife???" And so, rumors spread among Sato Sensei's students that the gentle and kindly Sato Sensei had, at his advanced age, remarried a young wife, tarnishing his reputation for decency in his later years. ... — Will you still love me when I'm no longer young and beautiful?