Daidara was a member of Esdeath's former bodyguards, known as "The Three Beasts". He's battle fanatic who will fight anyone who seems strong, and constantly takes every opportunity to improve himself when he can.

He is first introduced attacking and assassinating the former Prime Minister, along with Liver and Nyau. Later, they are ordered by Esdeath to assassinate another political rival on a cruise ship. There they encountered Tatsumi and Bulat. He fights Tatsumi and overwhelms him until Bulat shows up and defeats him easily, cutting him in half.

(Source: Akame ga Kill! Wiki)