A surprise guest joins Suzuki and company at the compound. They must face the oncoming gladiator battles in order to challenge for the right to assume a position as a centurion. Meanwhile, danger looms on the horizon as restless nations seek more drastic measures to acquire Genaco's secrets.

Tale of a Man who was reincarnated into another world as the son of a Saint but his birth was hated by everyone and he was forced to get a class that was seen as an unwanted class, Alchemist. Using his previous world's memories and his wisdom, he was struggling to survive and gained a stable life. Disclaimer: I don't have the picture on the cover