Asao SEITAROU is a Japanese light novel author. He is best known for his work on the light novel series "Grandpa is Summoned" (Jii-sama ga Iku).
Grandpa is Summoned is a light novel series by Asao SEITAROU. The story follows a grandfather who is summoned to another world by a little girl. The grandfather is a former soldier, and he uses his skills to help the little girl and her friends.