Ojii-san to Obaa-san ga Wakigaetta Hanashi
Alternative title: A Story About a Grandpa and Grandma Who Returned Back to Their Youth, Grandpa and Grandma Turn Young Again, Jiisan Baasan Wakagaeru, Ông Bà Hồi Xuân, История о дедушке и бабушке, которые вернулись к своей молодости, おじいさんとおばあさんが若返った話, じいさんばあさん若返る, 할아버지 할머니 회춘하다, Jii-san to Baa-san Wakagaeru
Story Overview
A Twitter series by the maker of "Osananajimi ni Najimitai", this story is about Ine and Shouzou, two retired people very much into their 80s who are strangely gotten back to their 20s one evening.