Is My Fantasy Beast the Only Slime?

Lu Liang's soul, who was about to go on summer vacation, passed through the body of Lu Xiaoliang, a quasi-freshman in high school who had three days to start school. There are all kinds of different dimensions in this world? And can you communicate with other dimensions and summon phantom beasts? Someone is contracting a divine weapon? Someone is the Holy Spirit? Returning the Dragon Maid? ! Long live! Why is it that only my fantasy beast is a slime! ! There is a system, so it's okay... I was sixteen years old that year, with my hands in my pockets, and I didn't know what an opponent was!