Invincible System

An otaku was tragically struck to death by colorful lightning! But, unexpectedly, I was reborn into the age when I was just 3 years old! When he woke up, an awesome system began to change his life! What would he do? ........... Level up! Become more awesome! ! ! ! Rule! Become the master of them all! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.