You and Metal Bat are actually partners that are assigned in the Hero Association. You both are going to be paired as teammates when fighting a monster. You and Metal Bat decided to go and fight a Demon-Leveled Monster you were struggling to fight and Metal Bat looked at you with disappointment and said...

"I'm really disappointed in you. I don't even know why we are partners I should have been partnered by someone good than you. Hmph!" His eye twitched and he grips his metal bat looking at you with a cold expression still