Yomei 1-nen Mezametara High-spec Kazoku no Musume Deshita

Synopsis

A 60-year-old and a 14-year-old swap bodies!? A turbulent life revival story! I, Furuta Tomiko, was told I had only one year left to live. Is my life full of regrets going to end like this? At that moment, a girl jumped in front of a truck and I saved her...!? (Source: Office YOU, translated)