MTL - From the Head Pillar Tanjiro, Take Stock of the Wonderful Nicknames of Zongman - Chapter 2

By the time I reached thirty, I hadn't managed to provide any of the happiness I wanted for my wife.I also still couldn't become the support my parents relied on.At this turning point in my fate, my income suddenly began to increase randomly.(A daily life tale in a wealthy family setting, featuring a single female lead and no harem.)

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.

This is the story of how I became the greatest genius in the history of humanity, destined to go down in the annals of history for all eternity!This is the story of how I made humanity what it is today.It all began on a fateful night in New York. With a certain peculiar dream.The Universe is grand and mysterious. What's important remains hidden...

An F-Class Hunter.