The Weakest Null Commands the Devil King!
13+
At Drowning Abyss Academy, a student's worth is determined by the demon they command. Leo is the only student who has never forged a pact with a demon—until a brutal attack leaves him face-to-face with the legendary Demon King. Now, the academy's weakest outcast holds the power to make every demon bow. But ultimate power comes at a price: his soul.