Name: Kichi Kirameku
Kichi: wit, resourcefulness, initiative, adroitness, gumption
Kirameku: twinkle, glitter, glisten, glare, gleam
Hero name: Sparkle Tuxedo Hero
Gender: Either, since girls can wear tuxes too!
Or maybe they're Trans, Gender fluid, or Non-binary, but will take any pronouns!
Quirk: They can manipulate light to blind their opponents, but not create it, the light has to already exist.
They wear a tuxedo that has special reflective white diamonds all over the front and the back.
They can then use these diamonds to direct light into whomever they are facing's eyes, thusly blind