The summary is:
João records a video of Gabriel, who agrees to say yes to everything that his sister Gi asks for at the market. Gi buys many things, including fruits, sweets, and gifts for her relatives. Gabriel spends a lot of money and regrets his idea. João makes fun of him and says he learned a lesson. They go home and João asks the viewers to like and subscribe to his channel.
Here are the key facts extracted from the text:
1. Gabriel wants to make a video with Gi where he says yes to everything she asks for at the market.
2. João is recording the video and commenting on Gabriel's reactions.
3. Gi buys various items such as Sucrilhos, Leite Ninho, condensed milk, Kinder-Egg, fruits and apricot.
4. Gabriel is spending his money that he earned this month and he is not happy with some of Gi's choices.
5. Gi is buying some things for her relatives and friends as well.
6. The video will be posted on Gabriel's or João's channel and they ask for likes and subscriptions.