Tomio is a portly man with an almost afro-like hairstyle. His eyes are brown, and he has small eyebrows. He is most often seen having a set of sunglasses perched near his forehead.
His attire is typically an orange and white short-sleeved, baseball-styled shirt with a dark blue apron tied around his waist. His pants are brown, with green and white sneakers having peach soles.
- Sayuri Yumoto: Their relationship is of a one-sided crush on Tomio's side. She remains oblivious to his feelings towards her, but regards him kindly. When having heard of her engagement for another person, he wished her happiness.