Shinnosuke's grandfather Japanese Kanji Rōmaji Also known as Gender Age Hair color Eye color Curse Residence Affiliation(s) Love Interest Loved by Occupation Previous Occupation Relatives Manga Debut Anime Debut Video Game Debut Japanese Voice English Voice Live Action image gallery Shinnosuke's grandfather used to be a zookeeper near Ryugenzawa before all his animals escaped into the forest. When they drank the water of life, they became monstrously huge and he along with Shinnosuke kept the animals away from the village and the people away from the forest. But as he grew older, he lost a lot of strength and remains in his bed nearly every day.