"Being reincarnated sounded like fun, but now that I'm actually here, it kinda sucks!" these are the thoughts of 37 year old Tatsu Mikami. He spent his life studying, tinkering and working with machines. He was content with his life until he unexpectedly meets his end sooner than he planned. Upon his death, he begins reflecting on his life of isolation and is given the offer to have a second chance at life in another world. eagerly taking the offer, he is plunged head first into an unforgiving world of sword and sorcery, and he soon finds that life in this new environment isn't as easy as he thought it would be.