He traveled through a game world set in a magical remake of World War I, becoming a hapless imprisoned man in London. Luckily, he knew the plot well and possessed a cheat code that allowed him to replicate other people's abilities. Since fate had already condemned him to a life sentence, he decided to set the mountain on fire. "Miss Witch, how can you govern a country with these insects?" "Madam, you don't want your general husband to discover you're a spy for the Six Nations, do you?" "Go ahead, Princess, what are you hesitating about? Failure is treason, success is revolution!" "You ask what's on board? Nothing, just a few thousand guns... Arms smuggling? Don't slander me! I'm clearly supporting a just cause!" ... and so on. By establishing a secret organization, operating an underground industry, weaving a spy network, and collecting hardcore...

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.

Good news! Luo Liya has transmigrated! She comes with a super-powerful racial template and the help of a powerful figure—a perfect start! The bad news is… what does "a witch's experiment" mean? Why are there immortals in this other world? And why do they want to burn me alive? …A few hardships, but Luo Liya believes she can endure them! …However, after finally infiltrating the witch's world disguised as a witch, Luo Liya discovers that if she's exposed, she'll be turned into grilled squid and eaten. To avoid being discovered, she has no choice but to painstakingly hone her acting skills, waiting for the day she can escape the witch's control! …This book is also known as "The Story of the Little Witch with 100% Acting Skills and the Strange Witch Who Saw Through Everything."