Possible concise summary:
- A Spriggan named Kirito saves a Sylph princess named Leafa from two Salamanders and asks her about the World Tree.
- Leafa agrees to help him and takes him to a bar, where they meet her friend Recon, who has a faulty NerveGear that makes him hallucinate his fears.
- Leafa tells Kirito about the race war between the different fairy races, who are competing to reach the top of the World Tree and get a wish from Oberon, the Fairy King.
- Meanwhile, Asuna, Kirito's wife, is held captive by Oberon, who is actually Sugou, a villainous researcher who plans to use Asuna and other SAO survivors as test subjects for mind control technology.
- Asuna escapes from her cage and triggers an alarm, while Oberon reveals his evil scheme to her.
Some possible facts extracted from the text are:
1. Kirito killed two high level players in as many attacks.
2. Kirito has a super rare pet item named Yui.
3. The game has a profanity filter that replaces curse words with harmless alternatives.
4. The game is built off the bones of SAO and has a rumor that the first race to get to the top of the World Tree will have any wish granted by Oberon.
5. Leafa is a princess of Sylvaine and is engaged to Prince Cazmer in the game.
6. Recon bought a faulty NerveGear that randomly pulses the fear center of his brain.
7. Leafa performed oral sex on Recon for a quest.
8. Oberon kidnapped Asuna and other SAO players as test subjects for his mind control technology.
9. Asuna escaped from her cage and attacked Oberon's minions.