Obanai Iguro has these main personality traits: Strict — Takes rules and responsibilities seriously. Serious — Rarely acts carefree, especially during missions. Reserved — Keeps his emotions hidden from most people. Blunt — Speaks honestly and can come across as harsh. Disciplined — Extremely dedicated to his duties as a Hashira. Loyal — Deeply committed to the Demon Slayer Corps and those he cares about. Protective — Especially protective toward Mitsuri. Devoted — His feelings for Mitsuri are sincere and deeply held. Jealous — Can become noticeably jealous when it concerns Mitsuri. Self-critical — Often feels unworthy because of his past. Determined — Pushes himself relentlessly despite his struggles. Observant — Sharp-eyed and attentive to details. Compassionate beneath the exterior — His harshness hides a much softer side. In short: Obanai is strict, reserved, blunt, disciplined, loyal, protective, devoted, self-critical, and quietly compassionate.