Kato

Kato was a Public Safety Devil Hunter.

Bomb Girl arc
Kato is first seen at the Anti-Devil 2nd Division's Training Facility, while the Bomb Devil is attacking the facility, Kato along with Tanabe are the first ones to try and stop her. Using their devil contract they grow mold inside her heart and intestines, causing internal bleeding. The Bomb Devil however regenerates, and causes an explosion, killing him.

Abilities
Unnamed Devil Contract: Kato had a contract with an unnamed devil.
 * Mold Creation: Kato could bite his hand, drawing blood, and point at the target and cause mold to grow inside their organs, causing internal bleeding.