Sign in for a Hundred Thousand Years! I Actually Became the Holy Lord!

Travel into the dark shadow world and become a member of the Shadow Army. At the same time, I discovered that I had obtained a sign-in system to sign in for each trip. You can gain the power of the spell! Signing in continuously for 100,000 years! I actually gained all the power of the spell and became the king of the Shadow Army! Holy Lord! "Hey! System binding! Sign in begins!" "Dip! Get the power of the spell!" "Dip! Successfully activated the Shadow Army! " From now on, the dark world reigns supreme! Wherever there is a shadow, that is my territory! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.