A Kadokawa announced that the anime series adaptation of the manga Jiisan Baasan Wakagaeru (Granpa and Grandma Turn Young Again) by Kagiri Araido it will debut in April 2024. You can see a first promotional image above.
In the cast we have:
Mamiko Noto as Ine/Grandmother, who is a beautiful woman after her restoration. She has a weak constitution, but she supports Shozo and together they overcome all difficulties. She married Shozo out of love, but she once belonged to a wealthy family and lived in the city.
Shinichiro Miki as Shozo/Grandfather, who is handsome and muscular after his restoration. He values family and apples above all else and is determined to go on his honeymoon with Ine now that they are young again.
Shiori Mikami like Mino, granddaughter of Ine and Shozo. She is a popular high school student in her class.
Nao Tōyama as Shiori, granddaughter of Ine and Shozo. She has good grades and is kind at heart, but her way of speaking can sometimes be a little rude.
Jiisan Baasan Wakagaeru (Granpa and Grandma Turn Young Again) began to be published in pixiv in October 2019 and has since garnered over 100 million views. The manga was ranked 6th in the Web Manga category of the 6th “Tsugi ni Kuru Manga Taishō” in 2020. Its 7th volume was released on August 16, 2023 and the work will end with the publication of its 8th volume. The work has more than 1 million copies in circulation.
The history of Jiisan Baasan Wakagaeru It revolves around an elderly couple who live a peaceful life in Aomori while they work picking apples in the orchards. One day, they wake up and discover that their physical age has been restored to 20 years old.