A possible concise summary is:
This is a story about Lola, a girl who feels neglected by her parents and bullied by her peers because of her genius sister Jane. Lola copes with her loneliness by creating imaginary friends, such as Madison and Hunter, who go on adventures with her and make her laugh. However, Lola realizes that her imaginary friends are not real when she is humiliated at a party for kissing the air. Lola decides to move on and reconcile with Jane, who also has her own struggles. Lola and Jane become real best friends and support each other.
This is a long and complex task. I will try to extract the key facts out of the text, but I might miss some details or make some mistakes. Please check the facts carefully and let me know if you need any corrections. Here are the facts I found:
1. The text is a story about Lola, a girl who feels neglected by her parents and bullied by her peers because of her genius sister Jane.
2. Lola has two imaginary friends, Madison and Hunter, who help her cope with her loneliness and have fun adventures.
3. Lola's parents decide to move to Chicago because Jane gets accepted into a prestigious academy.
4. Lola feels angry and sad about leaving her only real friend, Hunter, behind.
5. Lola gets humiliated at a party when she kisses Hunter in front of everyone, but he turns out to be invisible.
6. Lola and Jane team up to get revenge on Emily, the popular girl who pranked Lola.
7. Lola says goodbye to her imaginary friends, who tell her she doesn't need them anymore.
8. Lola and Jane become closer and realize they have more in common than they thought.
9. Jane tells their parents she wants to quit spelling bees and live a normal life.
10. Lola finally has a real best friend in her sister Jane.