[A non-human protagonist + the Fourth Calamity + farming management + behind-the-scenes plot + group portraits + search-and-fight] Le Ang, caught in a summoning ritual by a descendant of a noble, travels back in time as a gray rat hiding in the basement of a noble mansion, unexpectedly gaining the ability to summon players from Blue Star. Upon seeing the virtual reality game's realism, the Blue Star players, whose consciousnesses were summoned, become obsessed with their respective in-game characters—rats. As the game planner and the NPC boss to the rat players, Le Ang, while expanding his power through the supplies brought back by the players, learns extraordinary knowledge of this world from the descendants of the nobles... Gradually, Le Ang discovers that he has mastered alchemy. He transforms the frail rat players into his own creations. Flying squirrels with bat wings, muscular giant mutated rats...

The first thing Costa Ries did after transmigrating was to top the police department's wanted list. Worse still, the "Tribunal," the supernatural organization the original owner had served, planned to eliminate him as a legacy issue. Fortunately, he possessed the ability to continuously level up by fulfilling contracts, and a reliable, wealthy female teammate. Otherwise, he wouldn't have lasted long in this godforsaken place. ...New Lund, the steam-powered capital of the Beside Empire, a metropolis where progress and decadence coexist. Here, if you don't want to become a subject of astral magic experiments or raw material for bio-alchemy, it's best to stay away from the unlit streets at night.

Kamal looked at the black body of the person in front of him, and the heart was so black that water could flow out. "Open it up." "Uh, Lord Kamal, I just have the flu, isn't that bad?" "No, your heart is broken and needs a new one." Looking at Kamal with a serious face, Coric silently apologized for the patient lying on the operating table, then cut open his chest with a knife. Poof, blood splattered all over the two of them... "Look at you, you have been interning for a month, why haven't you learned the skills of opening up the chest yet?" Coric: "..." This is the story of a man with mediocre magical talent who opened up an alternative wizard upgrade path. Doctor Kamal's skills are really getting more and more bizarre... (with gold fingers but no system, fictional steam background)