Doraemon: Adventures in Battle

In elementary school, the story will mostly focus on everyday Doraemon adventures. Middle school: to be decided. In high school, the main focus will be High School DxD, and in college, Dragon Ball. This is a crossover world, and the protagonist's goal is to turn it into a hub connecting the multiverse.

This novel and its characters are purely fictional. Any resemblance is purely coincidental. Do not imitate.