Gods Come to the Human World to Go to School Out of Curiosity

Five powerful gods descended into the world in a low-key manner, just to experience college life? In this world established by the ancient gods, there are many gods who are descendants of the ancient gods. Although they cannot shake the laws of the world, there are already gods who can have a simple contest with the ancient gods. Hearing that there is an academy in the world that embraces all rivers and includes all intelligent species, five powerful gods decided to join in the fun.