Fueled by the fires of war In search of ways to deploy Bubonic plagues on their foes Malignant! Destroying lives with cruel force Enslaving those who survive Victims to be scrutinized Atrocious! Factory of death Experiments of sin Invasive surgery Dehumanized Subjected to their will Tyrants of the rising Sun Unrivaled cruelty Maruta Removing organs while they're still alive Inspecting damaged cells Intentional contamination Draining their blood until the final drop Lack of morality Scientific tormentation Molesting women Dissecting babies from their wombs Mother mercy, raped and weeping Sadistic masters of gore No laws for them to uphold Methods of madness unfold Ruthless! Manchuria in their control The death of thousands, soon to come The death of reason With violence, they searched for cures These demons reigned over the living