Just like the original work, he ate an apple and regained his youth. He calls Ine "Grandma." They are a happily married couple. His grandchildren call him Grandpa.

She ate an apple and regained her youth. She calls Shozo "Grandpa." Her grandchildren call her Grandma.

Ine and Shozo's granddaughter. She is a high school student and a bit of a spoiled child.

Ine and Shozo's granddaughter and Mino's cousin. She is a good person at heart but a bit of a tsundere high school student.

Mino's father. He calls Shozo "Dad" and Ine "Mom." He is not Shiori's father.

Mino's mother. She calls Shozo "Father" and Ine "Mother." She is not Shiori's mother.

Just like the original work, he is a university student. He is polite and kind to everyone.

Just like the original work, he is Mino's classmate and aims to be a soccer player. He often gets nervous and is weak around women. He has a habit of ending sentences with "sir/ma'am" (e.g., "Are you okay, sir?").

Just like the anime.

Just like the original work.