After Losing to the Demon King, My Career and Even My Gender Fell Apart

In the very first battle against the Demon King, the knight Reset suffered a crushing defeat and ended up signing a servitude contract with the enemy. In the blink of an eye, he became a humble worker in the Demon Realm—the regent, Seraphina! Endless paperwork, brain-melting disputes that can’t be resolved, and a Demon King boss who insists on feeding me strange potions every day! They say “996 is a blessing”? No—it’s the Demon Realm’s default! But what’s even scarier is… the more of this medicine I take, the more my—