This Unbound World's "normal" Is Difficult summary:

At least this much is "normal," is it not?Elma who was raised in a prison was dangerously granted pardon and released. Though she tries to heed her mother's words to be "normal," while working as a maid in the royal palace, her outlandish abilities and behavior end up shaking it up in its entirety. Successfully carrying out the job of four people by herself in one morning, brewing tea that would taste as if it were blessed by the heavens, dissembling a giant tuna with one stroke of a sword, and even using a surgical procedure more advanced than recovery magic as her forte. —If not a little dangerous, even this much is normal, is it not?The curtain opens on a story of a thoughtlessly peerless girl who had intended to be normal. (Source: Mangaupdates)