じいさんばあさん若返る
A manga by [[Araido Kagiri]]. Originally published as a webcomic in 2019, [[Kadokawa]] picked up the series and started publication in 2020.

The story is about an elderly husband and wife [[Saitou Shouzou]] and [[Saitou Ine]] who suddenly [[aged down]] into their teenage self.
jiisan baasan wakagaeru