I'm A Summon With Countless Identity

Lay Xuan 19 years old. is a capable guy he might not be the smartest but he's capable enough to turn the money he got from a job at a convenience store into millions by doing investment online. On the day he decided to quit his job and enjoy life with the money that he been keeping. an accident befalls him. as he thought that this was his end he woke up sitting on top of a throne in a medieval-style castle with a system board in front of him