|Previous Affiliation||Gotei 13, Soul Society|
|Previous Position||Lieutenant of the 9th Division|
|Previous Division||9th Division|
|Base of Operations||Vizard Warehouse|
Mashiro looks like a young woman with hazel eyes. She wears a white bodysuit with orange gloves, boots and scarf, along with a set of goggles atop her lime green hair. Her overall style of dress is reminiscent of the costumes worn by the Tokusatsu superheroes in late 1970's Japanese television shows.
Mashiro is childish, immature, and rather flighty and rarely takes note of the bigger picture around her. She is prone to throwing fits over the smallest of things, calling people "mean" and such. Her childish personality frequently irritates her former captain Kensei, causing him to question why he kept her as a lieutenant at the time.
Mashiro fancies herself as a superhero, and her style of dress and behavior reflect that mindset. Unsurprisingly, this caused her to get along rather well with Ben Tennyson in both timelines, even developing a battle-cry based on his own in the original timeline.