I Became the Creator of the Fish Tank World

Yan Changsheng was an orphan, just after he thought he was adopted. When he was able to live a carefree life, his adoptive parents were both killed because of a meteorite with mysterious energy. Unfortunately, I was diagnosed with cancer when I was cleaning up the basement. Accidentally obtained the golden finger - the Godhead of Creation. I thought it would be easy to find a cure for cancer. But he was told that after the great war, the godhead had very little power left and could not create the world. However, the protagonist does not give up. On a whim, he created a world that was shrunk countless times and put it in the fish tank. Since then he has become the creator god of the fish tank world. From then on, the Creation God's journey of survival began.