Isekai Demon Eater – I Became a Monster Eating Hero and Rebelled Against the Kingdom That Abandoned MeIsekai Makui ~Oukoku ni Suterareta Mamono Kurai no Hangyakutan〜 / 異世界魔喰〜王国に捨てられた魔物喰らいの叛逆譚〜

In a strange new world, Nazoru lost everything he held dear. Amid his despair, the only thing left to him was a twisted power—one that grants strength by devouring monsters. Thus begins the tale of a powerless boy who rises in rebellion against the world!