I'm not sure exactly, but it could be the royal alchemist himself or herself as a main character. There might also be a royal figure like a prince or princess who has some connection to the alchemist's work.
It could be about an alchemist in a royal setting. Maybe it involves the alchemist's adventures, like trying to create precious substances, solve mysteries related to alchemy in the royal court, or deal with political intrigue while practicing alchemy.
In a 'royal order visual novel', we might expect to see a protagonist who is either a part of the royal family or closely associated with it. For example, a princess who is given a royal order that she must fulfill against all odds. There could also be a commoner who gets caught up in the web of royal orders, maybe a talented artisan who is commissioned by the royals. And of course, there could be the royal council members who issue and oversee these orders.
The main characters in 'the royal romance visual novel' are difficult to determine without more information. However, it's common in such stories to have a male lead who is part of the royal family, like a duke or a prince. The female lead could be a commoner with a special charm or talent that attracts the male lead. There could also be supporting characters such as the royal family members who either support or oppose the relationship, and friends of the main characters who offer advice and assistance throughout the story.
Since I don't have first - hand experience with this visual novel, it's difficult to name the exact main characters. However, in this kind of story, we can expect to see a central character who gets involved in the royal affairs. This could be a young woman or man who is either trying to find their place in the royal court or is on a mission. Alongside them, there would probably be the ruling family members, advisers, and perhaps some rivals or friends within the court.
Since I don't know the exact 'godly alchemist novel', it's hard to say. But generally, there could be the alchemist themselves as a main character. Maybe there's a wise old mentor who guides the alchemist in their journey. There might also be an antagonist, like a powerful dark alchemist or a sorcerer who wants to stop the godly alchemist from achieving their goals.
The main character is the one who gets reincarnated as an alchemist. His name might vary depending on the specific version, but he's the central figure. There are also often his mentors or teachers in the world of alchemy. They play important roles in guiding him on his journey to master alchemy. And then there are his friends or comrades he meets along the way, who join him in his adventures and challenges.
I don't know for sure since I haven't read the novel. But usually, there would be the chaos alchemist as the main character. There might also be a mentor figure who teaches the alchemist the ropes, or a sidekick who accompanies the alchemist on their adventures.
The main character is, of course, the peerless alchemist himself. His name might vary depending on the specific translation, but he is the central figure driving the story forward with his alchemical skills and adventures.
I'm not sure as I haven't read it, but it's likely that the first alchemist is a main character. There could also be a mentor figure who guides the alchemist in the early days of their journey, and perhaps an antagonist who tries to stop the alchemist from achieving their goals.
Edward Elric and Alphonse Elric are the main characters. Edward is a young alchemist with metal limbs, and Alphonse is his brother who exists in a suit of armor.