Reze (レゼ?), also known as Lady Reze or Bomb Girl, is a Bomb Devil (爆ボ弾ムの悪あく魔ま Bomu no Akuma?) Hybrid from the Soviet Union, who was sent to Japan with the mission of stealing the Chainsaw Man's heart. She is the primary antagonist of the titular Bomb Girl arc and a minor antagonist in the Control Devil arc.