God of Thunder

God of Thunder summary:

After being transported to another world, Lei XinFeng must struggle to survive. His village is settled in a forest, far away from any major cities.
The simple hunter’s life is the norm. The village struggles every year to gather enough food in summer to store for winter.
However, this world is not as simple as it seems. After just turning 16 years old, his grandpa is ready to begin Lei XinFeng’s LunLi training.
Just what is Lunli, and what past did his grandpa have? Will the new training help improve his current life, and what obstacles will the coming winter bring?