It could be a little girl who finds a magic green stone that transports her to a world full of green - hued wonders. In this world, she has to learn how to use the power of the color green to find her way back home while also helping the local inhabitants.
A gardener might be the main character. He has a special connection with the color green as he spends all his days among plants. One day, he discovers that the green in his garden has a deeper, more magical meaning. He might be the one to unlock the secrets of the green in the fantasy story, facing various challenges like evil pests that are trying to destroy the greenery in a way that is more than just physical - like they are attacking the essence of the green magic in the garden.
Maybe it's about a magical world where everything green has special powers. For example, green plants could talk and help the protagonist on a quest.
Perhaps an older, more experienced nurse like Martha. She has seen a lot in her career and is a bit jaded. But then she gets pulled into a fantasy adventure where she has to use her years of medical knowledge in unexpected ways. For example, she might have to treat a dragon with a broken wing using only the resources she has in her old - fashioned nurse's bag. And she becomes a hero in this new world.
The main character could be a young gardener who has a deep love for chrysanthemums. They discover the fantasy aspect when their favorite chrysanthemum starts to glow and leads them into a new world.
A brave knight could be the main character. He is known for his courage and chivalry. He discovers the noose during a quest to rescue a princess from an evil dragon. The noose might have some special property that can help him in his fight against the dragon or in navigating the dangerous dungeon where the princess is held.
It could be an ordinary boy who discovers he has extraordinary powers. Maybe he lives in a small village and one day, while exploring an old cave, he finds a magical amulet. This amulet gives him the power to control the elements. At first, he is scared of his new powers, but as he realizes the potential to do good, he decides to use them to fight against an approaching army of demons. He has to learn how to master his powers quickly and also convince the people in his village to trust him.
Since I don't know the exact 'green girl story', it could be a girl named something like Lily or Ivy who is given the title 'green girl' because of her love for nature or a green - related trait.
I'm not aware of 'the green girl story', so I have no idea about the main character in it. You might look for reviews or summaries online to find out.
If the title is 'faith green story', it's likely that Faith Green is the main character.
Ruby Rose could be the main character. Her optimistic and fearless nature would make her a great fit for a story involving the Green Lantern. She's always eager to take on new challenges, and if she were to get involved with the Green Lantern's power, she would be quick to try and master it to protect her friends and the world.
Hal Jordan could be the main character. He could be in a mentoring role for the Young Justice members, sharing his experiences as a Green Lantern. His cocky and confident personality would add an interesting dynamic to the story as he tries to teach the younger heroes.