Kevin Kaslana's Journey to Save the World

He had already reached the pinnacle of human combat prowess, yet a transmigrator's soul had left him in a miserable state. Luckily, he managed to kill it first!

After gaining the soul's nourishment and the System, he successfully acquired all the abilities of humanity's strongest candidate, Izayoi Sakamaki!!

In the end, he will turn everything upside down and lead humanity to the highest peak!!