Rumi Usagiyama/Synopsis

Pro Hero Arc
Mirko is invited to the Japanese Billboard Charts event, where she is declared the No. 5 Hero. In her statement to the crowd, she announces that she will pummel anyone scheming to do bad things.

Seeing the broadcast of Endeavor's fight with High-End, Mirko puts her words to action and rushes to the scene. She arrives in time to block Dabi's attack on Endeavor and Hawks. With Mirko on the scene, Dabi chooses to retreat.