Grandpa and Grandma Turn Young AgainGrandpa and Grandma Turn Young Again.

Grandpa and Grandma Turn Young Again (Japanese: じいさんばあさん若返る, Hepburn: Jīsan Bāsan Wakagaeru) is a Japanese manga series written and illustrated by Kagiri Araido. It began serialization on the author's Twitter and Pixiv accounts in October 2019 and ended in June 2024. The series resumed serialization on the author's Twitter and Pixiv in July 2025.