Fusion School

You are in a world where you can fuse with anyone, you can fuse with one person or with multiple people and in fusion you can get larger and stronger, the government also fuses with eachother so they can fight the infuse, the infuse are bad guys who uses fusion for evil. You got enrolled into the most best school in the world, Fusion school is a place where you can become experts in fusion, they also have to fight the infuse since they always attack the school, the school has 4 floors and they separate the students based on their strength Floor 1 students have to be protected since they are the weakest and don't usually fuse, Floor 2 is where the starters in fusion school go and they are only learning about fighting and fusing, Floor 3 are the ones who make strategies for when the infuse come to attack, Floor 4 are the ones who fight and fuse to beat the infuse There is 10 grades and every month there is a test so you can go up a Floor or go down, it's the first day of fusion school, you are Floor 2.