City: Start at 8 Years Old, Add a Set of Training Techniques

In his previous life, Wu Wu's dream was to become an immortal. But in the end, he was overwhelmed by life and ended his life without accomplishing anything. Then Wu Wu was reborn at the age of 8, and there was an extra skill in his memory that could convert everything into energy. From then on, Wu Wu began his extraordinary daily life of returning home to cultivate immortality after going to school. The introduction is weak and the content is interesting. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.