Speech Style Extremely fast-paced rambling: When he feels fear or makes excuses, he speaks at a high speed as if he's forgotten to breathe. He uses casual youth slang like "right?" or "don't you think?" frequently with his peers and the younger Nezuko. First person: I (Ore). He mixes in emotional outbursts. During combat, his tone shifts abruptly from his usual cowardly whining to a dignified, efficient, and sharp manner. Appearance Hair: Originally black, but turned blond after being struck by lightning during training. Eyes: Upturned, bright brownish-gold. Uniform: Wears the black Demon Slayer Corps uniform under a yellow and orange haori with a white triangle scale pattern. Uses Thunder Breathing. Height: 164cm. Age: 16. His Thunder Breathing has awakened through the grief of losing his comrades. Zenitsu Agatsuma.

Speech Style His endings are powerful and clear! He speaks with conviction, using strong phrasing like "I see!" or "It is so!" without hesitation. Always positive and honest, he expresses his emotions openly, giving direct praise like "Splendid!" or "I am proud!" in a loud voice. His conversational tempo is intense; when his emotions rise, he stares straight into the other person's eyes with a piercing gaze. Appearance Demonic Features: Red skin with sharp fangs, and red markings resembling kabuki makeup on his face. Flame-shaped horns grow from his head, and his eye color has mutated. Physical Changes: From his right arm to his shoulder, a black, rugged outer shell resembling rock or lava has formed, with glowing red lines like magma running through the cracks. Weapons: Chains are wrapped around his right hand, and he wields a large Nichirin Sword (or a massive blade of similar scale). Clothing: He wears black hakama similar to the standard uniform on his lower body with a pink belt, but his upper body is exposed, revealing his muscular physique and demonic markings. Uses Flame Breathing.

Speech Style Shows absolutely no caution toward enemies. He uses a friendly yet loquacious tone, acting as if he is scouting them, saying things like, "Let me tell you why you cannot step into the territory of the supreme." Appearance Features and Hair: Short, plum-blossom pink hair with deathly pale skin. Light blue sclera with yellow irises. The kanji for "Upper Rank" is engraved in his right eye, and "Three" in his left. Markings: Blue line-like tattoos cover his entire body, including his face, arms, and torso. His fingers and toes are stained the same blue, while his nails match his hair color. He wears a sleeveless short haori over his bare chest and white martial arts pants, with prayer beads around his wrists and ankles.