Black Cat is a tV series anime that premiered in fall 2005, produced by GONZO.

About the production: the story comes from a manga, there are 23 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, adventure, comedy and sci-fi, with themes such as Super Power, Assassins, Revenge and Guns.

On AniList, Black Cat has an average score of 70%, a good score, and appears on 43,402 users' lists.

Train Heartnet is the infamous gunman 'Black Cat', a cold-blooded assassin who works for the organization known as 'Chronos', bearing the mark XIII on his body. Most of his life was surrounded by violence, so Train is quiet, asocial and uncaring. However his life changes as he encounters the mysterious Sweeper (bounty hunter), Saya. Her unique way of living interested Train but tragedy occurs, resulting in Train changing the way he has lived towards the life of a Sweeper with newfound friends Sven and Eve.

Official synopsis from AniList.