To Be a Genius Under Wu Ke's Hands

Travel through Demon Slayer and start the hell mode. In Asakusa, he has just been transformed by Muzan. He not only has to avoid the Nichirin Blade of the Demon Slayer Team, but also survives under the moody "black-hearted boss" Muzan. If you are not careful, it will be a "layoff (physics)". Fortunately, I have [Ghost Record]. Death is not the end, but the beginning of becoming stronger! Every time you are killed or sunbathed, you can retain one ability to reopen: blood ghost technique, physical strength, memory fragments, combat experience... The first life: I was cannon fodder and was instantly killed when I landed. The tenth life: I stayed in the Infinite City, secretly learned Black Dead Mou's Breath of the Moon, and understood the secret of [Shadow Form]. The 50th life: I instigated a rebellion against Yi Wozuo, burned Tong Mo to death, and became the "zero on the string" that made all the pillars tremble. Ninety-ninth Life: I figured out the 1,800 split fragments of Wuhan, and it was just a second away... I don't want to be killed by the Demon Slayers, nor do I want to be destroyed by Muzan, I just want to live no matter what. Now, it's the 100th life. I came back with the full-level divine equipment of the ninety-ninth life, all the fatal weaknesses of the string, and the ultimate poison developed for Wu Mei. Master Wuhan, are you ready? In this life, I am your mourner. In this life, I will reincarnate as a human being! [Highlights]: Hundreds of reincarnations + ghost breathing method + IQ online + extremely refreshing article + perfect ending