Urban Extreme Evolution System

When the world's top extreme athlete was reborn as an elementary school student and became obese, he unexpectedly got an amazing system. This system was very unusual. It allowed me to exercise every day, and even permanently opened many privileges to allow me to evolve my body. So this student monk understood a truth and became famous. This book is more about daily life. The protagonist rarely goes to big cities and just lives leisurely in small counties. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.