Well, it could be the 'guy like you' himself as one of the main characters. And perhaps a person who has a strong admiration or a complex relationship with him, like a long - time friend or a secret admirer.
Another possibility is that the main characters could be two people who both have a connection to the 'guy like you'. They could be competing for his attention or working together to help him in some way, and through that, their own relationship evolves.
Without having read the 'yet you love a guy like him novel', it's hard to say for sure. However, it's likely that the main characters are the female protagonist who has this unique love for the male character. The male character is likely to be complex, with his own set of values and behaviors. There may be other characters around them such as a nosy neighbor who comments on their relationship, or a co - worker of the girl who notices her strange attraction to this guy.
Sora could be a main character as he is often central in the Keyblade universe. His determination and pure heart would make him a key figure in the war. Another could be Riku, with his complex character and his own journey of growth and redemption.
The protagonist from the original work can be a main character. For instance, if it's a fanfiction based on a superhero story, the superhero could be the main character who changes their tactics. Maybe they stop relying on their superpowers all the time and start using their intelligence more. Another potential main character could be a sidekick who steps up and changes their tactics to fill in when the hero is incapacitated. For example, they might start using some of the hero's gadgets in a different way than the hero does.
A young girl who has always been fascinated by Sakura could be a main character. She might be on a journey to see the most amazing Sakura blossoms.
A new, original character could be the main character in a Naruto chains fanfiction. This character could be from a small, unknown ninja village and possess a unique ability to control chains made of some special material. They could come to the Hidden Leaf Village and get involved in the events there, interacting with the well - known Naruto characters.
It could be a young hero and a mysterious guide. The hero is on a journey with a strong will to achieve something great, and the guide, who initially seems cold, warms up to the hero as they travel together, and love starts to develop between them under the will of the quest.
A powerful sorcerer or priestess who has a lot of influence over the religious and magical aspects of Babylon could be a main character. They could be involved in political intrigues as they try to use their powers to further their own agendas or protect the kingdom. Another potential main character could be a foreign diplomat who comes to Babylon and gets caught up in its complex web of power and politics.
A fallen angel could be a great main character. They have already experienced a fall from grace and now are faced with these 108 earthly temptations as a chance for redemption. They have knowledge of both good and evil, but still struggle with the earthly allures.
A young inventor could be a main character. He is full of new ideas and is trying to make Star City a better place with his inventions.
Obviously, the drunk dragon itself can be the main character. It could have a unique personality, perhaps being a bit clumsy and overly friendly when drunk.