To be reincarnated into another world with the promise of a cheat power is one thing but to be reborn as a baby, and then left for dead after your royal parents think you're powerless? That's another thing entirely. Now the newly-born Reinhardt or Harut

Yuichiros dream is near-impossible, given that vampires are seven times stronger than humans, and the only way to kill them is by mastering Cursed Gear, advanced demon-possessed weaponry. Not to mention that humanitys most elite Vampire Extermination Unit