Demon Slayer: I Am Invincible and Like to Be a Guest Everywhere!

Binding the system to travel through the Demon Slayer World, I changed my name to Saint and earned tens of billions by relying on the system mall's opening blood. In exchange for the bloodline of the Japanese cultivator among the Tokyo ghouls, he became a land-killing weapon from an ordinary person in one fell swoop. In order to become stronger, Sheng made a cruel deal with the Ghost King and blackmailed him for one billion with special sunscreen costing ten yuan. Exchange the stick-yong physique to gain the ability to help others break through the upper limit. Wu Mei, who had obtained the sunscreen, felt that he was completely invincible, so he immediately rebelled and wanted to kill Sheng. But he didn't know that Sheng Zao had obtained Brother Yong's "Optimization", Cheng Xiaoyu's "Hand of Dominator" and Ji Guoyuan's "Breath of the Sun" in one transaction after another. The Demon Slayer Corps is also growing stronger amidst Uyashiki Yaoya's crazy transactions. He is preparing to sell off his family property and use 30 billion chips in exchange for more lethal tools in the hands of the saint, preparing to kill everyone in one fell swoop... ———— I help Yaoya break the thousand-year curse. Butterfly Ren begged me to help her get rid of her physical weakness and kill Tong Mo with my own hands. With my help, Black Death Mou became a ghoul who is not afraid of the sun. Retrieve his former name and continue to pursue the martial arts that can surpass Yuanyi. And my story is still not over. I will go to the ghoul world of Tokyo in advance during this trip. The overall situation was laid out there, and the old Duo Erfu was given an SSS-level Hebao, and he won over the leader of the Bronze Tree, Fangcun Aite. Let them help me earn the chips to become a top powerhouse...