Leo has long, red hair, tied in a ponytail and gray eyes. He wears a white shirt that exposes upper parts of his torso, an open black jacket, pants, and boots. His looks is completed with a belt around his waist on the jacket which also doubles as a scabbard. The Embleo on his right hand takes the form of a flame across his arm.
Leo is a young man, aspiring to be noble and a hero, as per his grandmother's teachings. In his eagerness to "boost" his nobility, he tends to thrust himself into dangerous situations where he can save others from peril, without expecting any compensation for his work.
According to him, Michelle is his type of girl. Coincidentally, both of them enjoy mabo curry.