The story begins with Brute and his team searching for Yugo. They soon discover that Yugo is being controlled by a cursed seal, which is causing him to attack people. The team tries to stop him, but Yugo's power is too great.
Meanwhile, another team, led by Karim, is also searching for Yugo. They eventually meet up with Brute's team, and together, they devise a plan to rescue Yugo from the researchers who are controlling him.
The teams infiltrate the laboratory, where they encounter the researchers and their allies. A series of battles ensue, during which the teams fight to rescue Yugo and stop the researchers' evil plans.
In the end, the teams are successful in rescuing Yugo and stopping the researchers. Yugo is cured of the cursed seal, and he joins Brute's team to learn to control his powers. The story concludes with the teams reflecting on their experiences and the bonds they have formed.
Here are the key facts extracted from the text:
1. Brute Matzkin and Maru are searching for someone.
2. Brute Matzkin transforms into someone else to act as a decoy.
3. Karim appears and rescues Salada.
4. Salada meets the indirect cause of the soap opera drama.
5. Salada's real mother is Astral Sakura.
6. Karim tells Salada that a pair of glasses she's wearing used to belong to her.
7. Team 7 has a new mission to monitor Yugo.
8. Yugo is absorbing the power of the cursed seal from birds.
9. The team encounters a researcher named Tosa who is taking care of a nest with birds' eggs.
10. The team is tasked with investigating ultra-violent birds that are attacking a remote village.
11. They collect the birds' excrement to use for tracking.
12. Yugo loses control and transforms, attacking the team.
13. Brute fights Yugo and manages to deliver a blow to his face.
14. Yugo is rescued by Nines and escapes.
15. The team of Mire is ambushed by two strangers who use artificial cursed seals.
16. The strangers are revealed to be Ricketts Darlings.
17. Karim and Sagrada fight against the enemy and use diamond chains to stop them.
18. Salada bites Sagrada to recover her chakra.
19. The team infiltrates the researchers' laboratory to rescue Yugo and the girls.
20. Brute and Sumire are caught by the researchers and tranquilized.
21. The researchers reveal their plan to create the most powerful weapon using the cursed seal.
22. Karim and Sagrada defeat their rival and continue with the mission.
23. The final experiment of Tossa is revealed, and Yugo transforms into a monster.
24. Brute fights against the monster but is rescued by Nines.
25. Yugo absorbs the cursed seal and throws it away, but it doesn't calm him down.
26. Brute is rescued by Nines again and faces the monster, giving him a fight.
27. Brute tries to make the monster come to his senses with a final attack.
28. The monster is stopped, and the antidote for the cursed seal is used to cure the infected birds.
29. Everyone decides to be part of the scientific tools team to learn to control Nut better.
30. The team is left with a cough to take with Olés and Marius.