Tsumugi is a young man in his mid-twenties with short, dark blue hair and blue eyes. His taste in clothes is simple and his overall appearance doesn't stand out much, something that is also emphasized by his modest character. His usual casual clothes consist of a blue striped T-shirt, a pair of black pants, and black leather shoes. In addition to that; a brown trench coat with a blue inner lining. Whenever he pursues his hobby gardening, he also likes to wear a blue overall above.