Arifureta: From Commonplace to World's Strongest ZERO (Manga

Spurred on by the dark secrets of her past, the bubbly Miledi Reisen invited Oscar Orcus to join her quest to upend the order of the entire world. Hoping to protect his beloved family, Oscar refused - but when dark forces answering to the Holy Church threaten the livelihood of his younger siblings, his decision quickly changes. Confronted with the atrocities of the Holy Knights, it's time for Oscar to reveal his true power! Spellfire and brimstone erupt as zealots battle heretics. The strongest synergist emerges from obscurity!