Mr. Inoue was the previous Head of the Inoue Household and the husband of Mrs. Inoue and the father of Ichiro and Hotoke Inoue and the grandfather of the Inoue siblings Ryuu, Tora, Isamu, Fumiko, Ayumu, and Nanami and the biological grandfather of Yui Komori.
After his death, his youngest son Hotoke took his place as the head of Inoue family.
Mr. Inoue has a strong resemblance of his youngest son. He was a handsome man with short messy blonde hair and round green eyes. He was a tall man with slender and well built body with fair skin and a round face with a beard covering his chin.
Mr. Inoue was very strict towards his sons. He was emotionally distant from them. Although, Mr. Inoue did show that he did loved his sons very much.
Mrs. Inoue was Mr. Inoue's wife.
Ichiro was Mr. Inoue's eldest son.
Hotoke was Mr. Inoue's youngest son.
- Mr. Inoue is the oldest human in the series.
- He is two years older than his wife.