In a world where 100 Earthlings are summoned and trained as heroes to stop the Demon King: “Hey, jackpot! I got an A-level aptitude!” “Really? I’m only C-level…” “I’m a ‘Fire Mage.’ This is an S-level aptitude. Awesome, right?” “Sounds good? I also got an S-level ‘adamantine warrior.'” Even casually listening, excited …