Rainbow swords system

After losing his life. Grim is reincarnated into a World where only the Strong can have a Normal day. He is given a treasure from the worlds beginning called the “Rainbow Swords system” and came across a Mysterious Person who Gave Grim the Power of a Emperor. Later in Grim’s life, he gets the name “Grim, The Reaper”, because Grim Becomes a Death god, invincible against even people thousands of times stronger than him. Will he be able to survive the wrath of the true God of Death. ———————————————————————— 18 Chapters ———————————————————————— Working on Chapter 19 ————————————————————————