The summary is about the fourth and final season of the anime "The Seven Deadly Sins." The story revolves around the characters' journey to defeat the demon king and save the world.
Ban, one of the main characters, has been searching for his friend's feelings in hell for hundreds of years. He finally finds them and, with the help of a wild boar named Wild, they escape from hell. Ban returns to earth and fulfills his promise to revive his friend, Lane, but loses his immortality in the process.
Meanwhile, the demon king, Meliodas, is revealed to be the strongest demon, and the characters must work together to defeat him. The story takes a turn when it is revealed that Meliodas is actually an archangel who was cursed by the demon king to believe he was a demon.
The characters eventually defeat the demon king, but not before he causes destruction on earth. The story concludes with the characters finding happiness and fulfillment. Merlin, one of the main characters, revives her love, Arthur, as the king of chaos, and the series ends with a sense of closure and new beginnings.
The final scenes show the characters living their lives, getting married, having children, and finding happiness. The anime ends on a positive note, with the characters finally at peace after their long and difficult journey.
Here are the key facts extracted from the text:
1. The document is a summary of the fourth and final season of the anime "Lullabies 1 Taisei".
2. The main character, Ban, goes to hell to recover his feelings and spends hundreds of years searching for them.
3. Ban meets a wild boar named Wild who is looking for his younger brother, May.
4. The demon king kidnapped May and took him to the underworld.
5. Wild decides to help Ban escape and accompany him to see May.
6. Ban returns to earth and fulfills his promise to revive Lane.
7. Lane is no longer immortal after Ban sacrifices the power of the fountain of eternal youth.
8. Ban's body evolves, allowing him to fight on par with the demon king.
9. Mel Judas fights against himself from the spiritual world.
10. The demon king's body is damaged, and he is reborn as a new, more powerful being.
11. The new demon king hatches from an egg and is controlled by his father, the old demon king.
12. Everyone works together to defeat the demon king and free Mel from his control.
13. The demon king is killed, and Mel is freed from his control.
14. Merlin wants to revive Arthur as the king of chaos.
15. Chaos is a power that can create everything that exists, including the demon king and the supreme goddess.
16. Merlin uses the sins to carry out her plan to revive Arthur.
17. Arthur is revived as the king of chaos.
18. A talking cat appears and accompanies Arthur for a while.
19. The cat is revealed to be a traitor trying to take over the power of chaos.
20. Arthur focuses on controlling his new powers, and Barry accompanies him to take care of him.
21. Ban and Lane are finally together and have a son named Lance.
22. Half 2 and Elizabeth are the new kings of Britain and have a son named Tristan.
23. Diana and Kim get married and have a son.
24. The anime ends with everyone happy and content.