Metal Bat X Reader (OnePunchMan)

You are the S-class hero 'Plagued Mistress; or (y/n). Just like the other S-class you have your own little quirk to your personality, that being your refusal to speak and that plague mask you wear non stop. So basically its hard to tell what your thinking, even so this intrigued a cretin fellow hero. What will become of this interest, who knows. (Well me of course)