I’m an Alchemist Who Doesn’t Know How OP I Am

In order to save her little sister's life, S-ranked adventurer Laffey seeks an all-healing elixir. However, elixirs are highly precious items that take years to make by even the most experienced alchemists. But one day, she meets a man that defies these rules! "Here, an elixir. Oh, it's fine, I can