Reincarnated as the First Emperor: From the Start, I Execute Zhao Gao

Other people transmigrate as history buffs. I'm just a peasant who can't even remember all the dynasties. But when I become Ying Zheng and see the shrill-voiced eunuch before me, an idiom suddenly pops into my head: calling a deer a horse. Whether it's right or not, let's chop his head off first. History's already gone off the rails, so why not let a lousy student like me try unifying the world?