Here is a concise summary of the provided text:
**Title:** Unexpected Visit from the Demon Queen
**Summary:**
On her 100,000th birthday, Demon Queen Miao Yue uses her powers to locate the man with the highest happiness index in the galaxy, which leads her to a ordinary human, Xiaomu. She appears at his doorstep, revealing her royal and demonic nature, and asks him to be her boyfriend. Despite Xiaomu's initial refusal due to being "resistant to demons" and attempts to deter her, Miao Yue persists, claiming she cannot kill him as he is her chosen mate. The story ends with Miao Yue insisting on staying with Xiaomu, even sharing his bed, leaving him feeling helpless and trapped.
Here are the extracted key facts in short sentences, numbered for reference:
1. **Age Milestone**: Every demon queen uses her powerful induction at 100,000 years old to sense a specific individual.
2. **Miao Yue's Birthday**: Today is the 100,000th birthday of the new generation queen, Miao Yue.
3. **Location**: Miao Yue travels through a wormhole to the Southern Star, a blue planet.
4. **Protagonist's Initial Situation**: The protagonist is at home eating leftover cabbage and tofu when a knock on the door interrupts them.
5. **Initial Misunderstanding**: The protagonist mistakenly expects their landlord, Li Hongjuan, but instead meets Miao Yue.
6. **Miao Yue's Identity**: Miao Yue is the demon queen from the devil city deep in the galaxy.
7. **Miao Yue's Intent**: She has come to ask the protagonist to be her boyfriend, as part of her queenly instincts.
8. **Teleportation Ability**: Miao Yue demonstrates the ability to teleport, moving directly into the protagonist's living room.
9. **Customs Mentioned**: Miao Yue references following Earth's customs in the future, including terms of endearment like "wife".
10. **Protagonist's Resistance**: The protagonist is hesitant due to being "resistant to demons since childhood".
11. **Miao Yue's Principles**: She mentions a principle of not killing someone if she can't "get" them with a few attempts.
12. **Living Arrangement**: Miao Yue intends to live with the protagonist, stating she won't give up on him and will stay by his side.
13. **Accommodation**: The protagonist's home has only one bed, implying Miao Yue and the protagonist will have to share it.