Chainsaw Man follows Denji, a broke young man burdened by his late father’s debts, who survives by hunting devils with his pet chainsaw-devil, Pochita. After a brutal betrayal costs him his life, Denji is reborn as a human–devil hybrid with chainsaws sprouting from his body. Recruited by the mysterious Makima, he joins Public Safety to fight deadly devils. Amid intense violence and dark humor, Denji chases simple dreams like food, love, and a normal life. The story explores desire, control, and the cost of freedom in a cruel world.