Tsuruhime

Tsuruhime is a member of space bandits who steal from villains.

Background
She's a descendant of a Shogun, and at some point, her father gifted her a sword.

Cosmo Samurai
In her debut, she helped save TOM from deep space after his escape pod exploded. She explained who she was and her role.

After TOM explained how he ended up in dismembered in space, she deduced that he was attacked by their arch enemies: Akutou.