I'm not entirely sure as I haven't read it in detail. But often in such novels, there is a protagonist who is the key character. He or she is likely to have some unique abilities related to the'strongest system' in the title.
I'm not sure exactly who the main characters are in this light novel. But surely the florist themselves is a main character. There might be a mentor figure who taught the florist their skills or a rival florist who challenges them. There could also be some regular customers who play important roles in the story, like a young girl who comes to the shop every week and has a special bond with the florist.
The main characters in this light novel could be a diverse group. There might be a young hero who discovers their latent power, and around them, there could be a group of comrades. Some might be strong fighters, others could be more intelligent strategists, all coming together to support the main character's rise to the top.
The main character is, of course, the war god himself. But there are also his comrades - in - arms, like the brave knight who always stands by his side in battles.
I'm not entirely sure as I haven't read the 'Strongest Dull Prince' light novel in detail. But surely the dull prince himself is a main character. There might also be characters like his family members, such as his father the king, or his siblings. And there could be some sort of mentor or friend figure who helps him realize his strength.
I'm not sure exactly, but most likely the strongest god king himself is a main character. He would be the central figure around which the story revolves.
There is also Yue. She plays an important role in Hajime's journey. She has her own unique powers and a mysterious past. Their relationship is a key aspect of the story as they support and grow together.
There is a mentor - like figure in the 'Strongest God King Light Novel'. He is an old and wise wizard who teaches the protagonist a great deal about magic and how to face the powerful enemies. And there are also some antagonists, such as the dark lord who tries to stop the protagonist from achieving his goal.
Since I'm not familiar with this light novel, it's possible that there is a male lead who has some special talent that makes him a great rear guard. There might also be a mentor - like character who guides him in developing his rear - guard skills.
From what I've heard, there might be a princess from another kingdom who has an important part in the story. She could be involved in some political intrigue or perhaps a love interest for the dull prince. And there may be some sort of mentor figure who helps the prince grow and develop his skills.