Zero Magic? I Dominate This Other World with My Magic Core!

Said, perfect score for theory and zero score for practice. He has been ridiculed and failed for five years. Being born with a physique with zero magic power, he couldn't even create a lighting technique. Just the day before the graduation exam, Said unexpectedly met an E-class magic core. [External magic source detected, system starting...] [The flame slime magic core has been loaded. Current magic power: 50/50] [Available skills: Fireball Lv1, mana consumption 5. Mimic·Fire Slime, mana consumption is 10/minute. ... With exploration, lords, temples, dungeons, the truth of the world, the origin of magic, and the nature of the system are revealed one by one.