Is the System Undercover? I Just Used the Heroine as a Sword

[Villain + Anti-routine + () heroine] [It's not a fast-paced story about combat power, but the pace is moderate. The interaction with various female protagonists is the main plot, so don't read it if you don't like it. I traveled through time and became a minor villain in a long fantasy novel. As a result, I encountered the protagonist at the beginning of the story, riding on his face and trying to steal his wife. The system showed up as promised, but I soon discovered that something was wrong with it. This unruly system always seemed to want to kill me! Alas, life is difficult. Dressing as a villain means there is no chance of survival, and the system that is supposed to be the only hope is an undercover agent. What should I do? In this case, then I can only... Jie Jie Jie, no longer a human being! How can you, these fantasy fools who only care about strength comparisons, understand the dangers of modern people? Xiao Yan: Poof! You, you are shameless! To actually use such a despicable method... Nalan Qingxue: Chu Ge, you, you dare? ! Ah—— The Saint of Yaochi: Chu Ge! You extraterrestrial demon! I won't die... ... Soon, I discovered the benefits of this unruly system. Although the things it gave were problematic, they couldn't stand the price and the large quantity! "Hey, as my sword, you should be patient! Today I will give you the Heavenly Tyrant Body, the Ancient Holy Body, and the Immortal Tears Green Gold Body. I hope you will adapt well and strive to become an indestructible sharp blade!" The heroine of the original book:? ? ? "Hey, who is that? This is the inheritance of ten empresses from past dynasties. I sold it to you at a high price. Chenghui has a candy, please pay quickly!" Young Empress: Brother, brother... ... Many years later, Chu Ge sat on the sea of clouds, watching the collapse of the immortal world, and took a sip of Liqun.