Sawako's father is a short man with a height of 160cm, or 5'2. He has black hair like Sawako's, and wears glasses regularly. He is seen wearing a different variety of clothes. Sawako's shortness may have come from her father.
Sawako's father seems to usually have a calm, cheerful personality. He also shows a emotional side, seen when he learns Sawako has friends, and when he learns that Sawako is dating Shota Kazehaya, crying and fretting over the facts.