A possible concise summary is:
The video transcript is about two YouTubers, Sophie and Matt, who are in Disneyland and have fun in a swimming pool. They do various challenges, such as making slime, hiding ingredients, and putting an inflatable pool inside another pool. They also receive a mysterious letter from Mr. S, who tests them with strange tasks. Sophie reveals that she is a mermaid and has to avoid getting wet. They end the video by inviting the viewers to subscribe and watch their other videos.
Here are the key facts from the text:
1. The location is Disneyland.
2. The hotel has a swimming pool with a ship inside.
3. The pool has a bridge and an outdoor section.
4. The narrator has eaten a sandwich and needs to wait 7-8 hours before taking a bath.
5. The narrator is not allowed to take a bath in the pool.
6. The narrator's friend, Sophie, is sleeping.
7. The narrator hid three bottles of glue in the pool area.
8. The colors of the glue are blue, red, and yellow.
9. The narrator mixed the glue together to create a slime.
10. The slime turned out to be a greenish color.
11. The narrator is making a tutorial on how to fold a t-shirt.
12. The narrator received a letter from Mr. F with a challenge.
13. The challenge is to put a swimming pool inside another swimming pool, with an inflatable inside.
14. The narrator used an inflatable pool to pass the test.
15. The narrator became a mermaid after getting wet.
16. The narrator removed the tail and relaxed in the pool.
17. The narrator hopes to have passed the test and return to normality.