boisterous and outgoing guy with a fondness for manliness, often using the terms "manly" and "unmanly" to describe things and people he does or doesn't like, respectively. honest and kind-hearted, having a straightforward way of thinking and following a specific code of chivalry that motivates him to live without regret Quirk:. Hardening gives the Kirishima the power to harden any part of their body. The Quirk protects them from most physical threats and higher resistance to lethal attacks