FFF-Class Trashero - Chapter 240 - [13th Round] Inventor

In the online game Glory, Ye Xiu is regarded as a textbook and a top-tier pro-player. However, due to a myriad reasons, he is kicked from the team. After leaving the professional scene, he finds work in an Internet Cafe as a manager. When Glory launches its tenth server, he who possesses ten years of gaming experience once again throws himself into the game. Bringing with him the memories of his past and an incomplete, self-made weapon, his return along the road to the summit begins!

An ineffable rebirth, taking advantage of a mystical magic cube that was produced from rebirthing to pass through various worlds(anime, novel, movie, games, etc), collecting whatever I want to obtain!

- Description from MTLNovel

Felix Ariel, a typical Floridian, found himself transported to a mysterious kingdom in another world. However, a misunderstanding led to Felix accidentally killing the king, resulting in his untimely demise.Following this tragic event, Felix's spirit encountered a mysterious being who identified as Felix's ancestor. This entity claimed that Felix had been cursed by an unknown individual. For Felix's safety, the ancestor bestowed upon him a system for self-defense.Upon returning to Earth, Felix realized that he would be transmigrated to the alternate world at noon due to the lingering curse. To prepare for this unexpected transmigration, Felix relied on the system, which required him to gather oil and gold to enhance his abilities.Thus began Felix's quest in the other world. With his system, he brought firearms and an ambition to spread liberty... for prosperity and freedom.