The Demon King's Hero-Pet

In a world teetering on the brink of demonic domination, a hero is summoned, destined to vanquish the Demon King. But fate, as it often does, has a wicked sense of humor. Instead of epic battles and glorious victories, our hero finds himself… the Demon King's pet?! Transported to a bizarre isekai realm, he's not wielding a sword, but wearing a collar. This isn't your typical hero's journey. Get ready for a wild ride filled with unexpected twists, hilarious situations, and a master-pet relationship that redefines the meaning of 'complicated'. Can he escape this bizarre predicament, or will he embrace his new, surprisingly comfortable, life as the Demon King's favorite companion? Dive into this fantasy manga and find out!