The Sniper King Shall Rule the World

An autistic teen who loves sniper films and games is summoned with his class to defeat a rebel kingdom. His treacherous brother brands him a freak and defective to the goddesses that summoned them causing them to rip out his eye before casting him into a dungeon filled with dead heroes once deemed weak. After saving a dark ogre girl, he reveals he gained the Sniper class, a Mosin-Nagant-style rifle, and a mechanical left eye. He vows revenge, then joins forces with a former hero and a sociopathic elf boy, who also seek vengeance against the goddesses and the false heroes.