I am the Magicless Demon Lord

Henry Li, a prodigy military scholar, was serving as the Executive Officer on board a Formidable-Class Frigate when that eventful day came. When war comes to his homeland, a newly-promoted CPT Henry Li makes a daring manoeuvre that would have most certainly cost his life, had it not been for a very timely transmigration event. Transported to a new and foreign world filled with magic — by a desperate low-ranking demon lord — who summoned him to become her “hero”. The only problem is — he’s magicless. Armed with nothing but his trusty sidearm, his military know-how, and a new 'system', what awaits CPT Li in this new surreal world?