Since I don't have the details of 'behind the green door short story', it could be about a variety of things. It might be a story of a person who is curious about what lies behind the green door. This could lead to encounters with strange characters or situations. For example, it could be a portal to a different world, or it could hold a long - lost secret of the character's family. And as the character steps through the door, they are faced with a series of challenges that they must overcome.
Since we don't have more details about 'the green door short story', it's hard to say exactly. However, it's common for there to be a protagonist, let's say a person with a sense of adventure and a thirst for discovery. This character would be the one whose actions and decisions revolve around the green door. There might also be an antagonist, although not always. It could be someone who tries to stop the protagonist from opening the green door or someone who has a different view on what the green door represents.
The main theme could be about mystery and the unexpected. The green door might symbolize something hidden or a new opportunity that the protagonist discovers.
Not having read the story, the main characters in 'behind the green door short story' could be many things. Maybe it's a detective - like character who is investigating the strange happenings around the green door. Or it could be a child who has an overactive imagination and the green door is part of their fantasy world come to life. There could also be a caretaker of the place where the green door is located, who has their own secrets and stories related to the door.
Most likely, it isn't a true story. Usually, such titles are works of imagination or literary inventions rather than recounting actual happenings. Maybe it takes inspiration from various elements but doesn't represent a factual account.
I'm not sure specifically which 'behind the green door story' you mean. There could be various stories with this title. It might be about a mystery or an adventure that occurs behind a green door.
'Green Gate Guide: Warm but Cold' was a Song Dynasty poem by Zhang Xian. The poem described the warm spring, but it still felt slightly cold. The wind and rain only stopped in the evening. The courtyard was empty and silent. The poet used the wine in the flower to drown his sorrows, but he was as drunk as last year. The evening breeze blew the painted corner of the building awake. After night fell, the heavy door was closed tightly, and the courtyard was even more quiet. However, at this time, the poet was upset and could no longer stand the bright moonlight. The beautiful figure of a girl swinging on the swing came from the wall. This poem expressed the poet's longing for spring and the loneliness in his heart.
There's no way to determine the main characters without more details about the story. However, common character types in such stories could be a curious child who is drawn to the green door, or a detective - like figure trying to solve a mystery related to what's behind the door.