One Piece: Supreme Check-In System - Chapter 68: The Number One Swordsman Visit

The protagonist is reborn at the end of the Roman Republic, becoming a gladiator under Spartacus. How will he escape the tragic fate of being crucified and survive in the Mediterranean under Roman rule? Stay tuned!--------------Rome must perish! As long as it exists, we find it difficult to escape the fate of death! —Maximus

“Why does no one remember the true world?!”

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.

There are many people who try to act cool in front of him, whatever soldier king, assassin, system user, transmigrator, reincarnator, the strong returning, the strong coming down from the mountain, person coming back from the immortal world, reincarnation of the devil king, immortal emperor possessing someone’s body, and so on, all of them do not know what will happen next

- Description from Novelupdates

Song Changming is a Fire Patrolman in the Patrol Armor Bureau. He has a special system which enables his Lifespan to increase everyday. Initially, he had no great ambitions. After accumulating a hundred years of lifespan while lying low, he only wanted to rise step by step in the Patrol Armor Bureau, to live better in glory and wealth.As for practicing martial arts or pursuing the Tao, all these began when he threw away that ring in which lives an old spirit.