Game: I Became a Slime

Suddenly one day, a voice sounded from everyone's heart, and ten people from each country were reincarnated into a different world to survive. Every seven days, its representative country can receive a 1% strength bonus from the reincarnated person. Everyone else was reincarnated into powerful creatures, so why did I kill a slime? ???????????????? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.