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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.
Episodes
1Grandpa and Grandma and the Sports Festival 2Grandpa and Grandma and Their Children 3Grandpa Turns Old Again 4Grandpa and Grandma and the Culture Festival 5Grandma's Memory Turns Young Again 6Grandpa and Grandma on Their Honeymoon: Tokyo Arc 7Grandpa and Grandma on Their Honeymoon: Atami Arc 8A New Grandpa and Grandma Appear 9Grandpa and Grandma and a Summer Festival 10Grandpa and Grandma's Daily Life 11Grandpa, Grandma, and Winter Break