Not much is known about her background—she's pretty much a mystery. She works as a freelancer, though she also handles part-time leadership duties at Deathstaff, a staffing agency that recruits and sends out fighters for jobs.
When a local secret society found itself short on people and needed help, she didn't hesitate to step in. She handled it gracefully, saying something encouraging before immediately calling Mizuki to handle the actual work on the ground.
Content compiled by AnimeList.moe from publicly available sources.
