Futaba Kuroe/Plot

Background
She spent her early life deep in the mountains, going to elementary school with Shun Midorikawa. She then graduated and transferred to Mikado City for middle school.

Introduction Arc
Kako Squad presumably takes part in the extermination of all Rads in Mikado City.

Border Enlistment Arc
Kuroe is mentioned alongside Kitora and Midorikawa to be prodigies by Tsutsumi.

Large-Scale Invasion Arc
After the Aftokrator invaders leave, she and Kako finish off the remaining Trion Soldiers.

B-Rank Wars Arc
She appears as a spectator along with Yōsuke during Tamakoma Second's second match. After the match, she half-heartedly returns the greeting Kitora gives her.

Galopoula's Blitz
During Galopoula's Invasion she fights alongside Kako. When a rampant Idra was detected, she and Kitora go to fight it. She uses Idaten to quickly slash the Idra, but Yomi picks up on the fact that she moves on a predetermined trajectory, and uses it to predict her movement and counterattacks her. While she is severely damaged, she does not bail out and continues to fight with Kitora.