A gunman's guide to medieval murder

[WSA Entry] The world’s deadliest gunman is reincarnated—not to start a new life, but to complete a mission bestowed upon him by an unknown entity during his sixtieth birthday. The greatest criminal he once believed dead is also reincarnated in this new world, desperate to find a way back to the real one. Zenji’s mission is clear: eliminate the greatest criminal and purge the wrongdoers who plague this world as his final mission as an assassin. >>> [New ability: Imaginary construct] [Persona selected: Magic’s academy weakest student! (Lux Maxwell)] [First mission: Assassinate Professor Ansil!]