For a boy his age, Shizumaru is quiet and timid. He is a polite, well-meaning child who tries to warn others about the "demon/ogre" within him. He tends to label things that are unknown or bad to him as evil demons/ogres, convinced that they are real. Due to his subconscious belief of himself being a demon, others have started sensing a comparable malevolent aura in him, and even his own moves subtly hint at this, suggesting Shizumaru isn't just paranoid about it.

