She’s Pico, from the “Boku no Pico Academia” native isekai cartoon. :^)

[I’m joking. As others answered, the character is Megumin, from KonoSuba. A chuuni who knows only a single magic, Explosion, that often hits her own allies. I recommend the show, by the way, even for people who aren’t into isekai.]

You are truly evil. Do you need a hug or something