Abandoned by my Childhood Friend, I Became a War Hero

Dwarfs Elves Hiding True Identity Male Protagonist Overpowered Protagonist Tragic Past Dragons Famous Protagonist Past Plays a Big Role Slow Romance Academy Aristocracy Schemes And Conspiracies Military Magic Nobles Demons Handsome Male Lead Spear Wielder Betrayal Apathetic Protagonist Saints Kingdoms Beastkin Empires Unreliable Narrator Comedic Undertone Discrimination Heroes Racism Past Trauma Stubborn Protagonist Demon Lord Depression Protagonist Strong from the Start Unrequited Love Younger Love Interests Teachers Student-Teacher Relationship