Ashburn (A villain rehab story with some romance)

Youngest daughter of Endeavor, but the result of an affair with another hero. She was hidden from her half-siblings, knowing nothing about their existence. She was forced to train, forced to be a hero, but that's not what she wanted. This girl, who's quirk is incompatible with her body, just like her eldest half-brother Dabi, finally found freedom. But all good things come to an end at some point...
After a villain attack on class 1A, Ashburn, the 4th strongest villain in Japan, had a quirk malfunction, causing her to get caught, and took in for questioning and a rehab program...

Himari Takao:
Quirk: Pyro Fabrication
She can create anything with fire with her hands. When she double taps the creation, her fingers spray water so that it disappears so that she can create something new. She has a gauge on her hand showing her how much water she has for her quirk, so she has to always drink water throughout the day. If her gauge goes down too low, her vision becomes blurry and she gets dizzy. If it is too low for too long, she eventually loses consciousness. Her water helps keep her body temperature down as well, so when she uses her fire her body doesn't overheat so long as she has a good amount of water.