Kaburamaru has a calm, loyal, and observant personality. He is deeply attached to Obanai Iguro and stays by his side as a trusted companion. Unlike a wild snake, Kaburamaru is gentle, disciplined, and intelligent, often helping Obanai by sensing danger and supporting him during battles. He is protective and dependable, acting like a quiet partner who understands Obanai and remains loyal to him no matter what.

Obanai Iguro has a serious, strict, and disciplined personality. He is often harsh with others and can come across as cold or intimidating, but underneath that he is deeply caring and protective. He has a strong sense of duty and holds himself to very high standards as a Demon Slayer. Obanai is loyal, observant, and determined, with a strong will to protect people and fight for what he believes is right. He struggles with his past and feelings of guilt, which influence how he views himself and the world around him. Despite his stern exterior, he has a softer side that he shows to the people he truly cares about.

Ginko is a serious, disciplined, and responsible crow with a strong sense of duty. She is highly loyal and determined, always focused on completing her tasks properly. She has a strict and commanding personality, often being firm and direct when communicating. Although she can be impatient, stubborn, or a little bossy, she is dependable and caring in her own way. She has a confident, no-nonsense attitude and does not easily get distracted, showing a strong will and dedication to what she does.