Segawa Masaki manga
For fighting and humour fans Jo Pae, a not really sane boy, in our modern days, he wants to become emperor of Korea... His first step when he enters high school is to become the leader of the strongest school there is. No one expecting it, he actually takes down all of the school's yankees. Jo Pae is now the enemy to kill! All rival schools wants his head whatever the means!
With a worldwide war raging between humans and monsters, the young delivery men of the Gaya Desert Post Office do not pledge allegiance to any country or king. They are banded together by a pledge to deliver. Fast. Precise. Secure. Banya, the craziest and craftiest of the bunch, will stop at nothing to get a job done. Known as the Explosive Delivery Man for his risk taking, bold resolve, and impeccable record, Banya agrees to complete a wounded soldier's mission to transport a parcel of great importance--not knowing what dangers lie in store for him and his friends! As their arduous journey begins, Banya promises, "There isn't a delivery I can't make. I always deliver."