The speaker is João Caetano's brother, who is temporarily in charge of their YouTube channel while João is dealing with passport issues in the United States. The speaker decides to troll their brother Gabriel by telling him that school has started and that he needs to get up and get ready. The speaker and their mom pretend to be serious about Gabriel being late for his first day of school, and Gabriel is initially upset and resistant to going. The speaker and their mom eventually reveal that it was all a prank, and Gabriel is relieved but also a bit annoyed. The video ends with the speaker asking viewers to like and subscribe to their channel.
Here are the key facts extracted from the text:
1. João Caetano was arrested after losing his passport in the United States.
2. Gabriel and the speaker are in charge of the channel while João is away.
3. The channel has 9 million subscribers.
4. João is sorting things out with the Consulate to return home.
5. Gabriel failed a class and has to repeat it.
6. The speaker is trolling Gabriel by telling him that classes have started.
7. Gabriel slept in late and had to be woken up by the speaker.
8. The speaker and Gabriel's mother are involved in the trolling.
9. Gabriel is not happy about going to school.
10. Gabriel will be studying all day, including morning and afternoon sessions.
11. Only two students in Gabriel's class failed, including him.
12. Gabriel will be wearing a mask at school due to the pandemic.
13. The speaker brought a mask for Gabriel to wear.
14. Gabriel's school is close to their house.
15. Gabriel will be studying mathematics, chemistry, and physics.
16. The speaker is documenting Gabriel's first day of school on their channel.