Who are the main characters in 'galaxy empire light novel'?

Not having access to the 'Empire of Light Novel', it's all speculation. But it's likely that there could be a leader figure in the empire, someone who has to make difficult decisions regarding the light - related aspects of the empire, whether it's about protecting a light - based energy source or dealing with a religious or cultural significance of light. There might also be an outcast character who turns out to be crucial in understanding the true nature of the empire of light, perhaps because they have an unusual view or ability related to light.

The main character is a college student who is constantly reflecting on his life choices.

I'm not sure specifically as it can vary from one 'emperor of the galaxy light novel' to another. But often there is the emperor himself, who is a central figure with great power.

Well, generally, a 'galaxy empire light novel' could revolve around a powerful galactic empire. It could feature the empire's expansion across the galaxy, the different alien species within it, and the power struggles among the ruling class. Maybe it also has elements of exploration, as characters discover new planets and technologies.

I'm not sure as I haven't read it, but usually in such novels, there would be a strong and determined leader type character.

The main female character is Cheng Shaoshang. She is a strong - willed and intelligent young woman. And the male lead is Ling Buyi. He is often mysterious and has his own secrets. Their relationship is at the core of the story.

Not having read the 'the alexis empire chronicle light novel', we can only make assumptions. There might be a protagonist who is an outsider to the empire but gets drawn into its affairs, perhaps a merchant or a traveler. Or it could be a member of the imperial family who is facing some sort of internal conflict within the empire, like a prince or princess who has to fight for their rightful place on the throne. There could also be a mentor - like figure, an old general or a wise scholar, who guides the main character through the complex situations within the Alexis Empire.

The main character is a college student. But there are also his friends, classmates, and people he meets during his various adventures.

There could be a number of main characters. For example, a noble - born swordsman who is caught in the web of the empire's politics. He has to use his sword - fighting skills not only on the battlefield but also in the political arena to protect his family and his ideals. Another possible main character could be a mysterious stranger who comes to the empire with a unique sword - fighting style and disrupts the existing order. There might also be a female character who is equally skilled with the sword and challenges the male - dominated sword - fighting culture in the empire.

I'm not sure exactly, but it could be a princess. In many empire - based novels, a princess is often a central figure, perhaps with her own dreams and struggles within the Tearmoon Empire.