A New Grandpa and Grandma Appear
Shiori meets a medical student named Satoshi at the university library. He is researching old legends from the area of people turning young again. He confides in Shiori, saying that something unbelievable has happened to his grandparents.
Aired 26/05/2024EP 8 - A New Grandpa and Grandma Appear

2024
Grandpa and Grandma Turn Young Again
The story of Jii-san Baa-san Wakagaeru follows Shouzou and Ine, an elderly couple who are living a quiet life in a farming village in Aomori Prefecture. After eating a mysterious apple that they discover on their apple farm, Shozo and Ine spontaneously regain their youth, but even after being reinvigorated they continue to live life at a grandparent-ly pace.
(Source: Crunchyroll News, edited)