The Seven Deadly Sins: Grudge of Edinburgh

is an upcoming two-parter movie based on the manga and anime series Nanatsu no Taizai, featuring Meliodas' son, Tristan as the main character. streamed the first part on December 20, 2022 and the second part on August 8, 2023.

Summary
"Split into two parts, the story will follow Tristan, the son of The Seven Deadly Sins protagonists Meliodas and Elizabeth. Tristan inherits the power of the Goddess Clan and can heal people's wounds and injuries, but he often ends up hurting others due to his inability to control his Demon Clan power. To protect his family, Tristan heads to Edinburgh Castle and meets a host of new friends along the way."

Part 1
Tristan, the son of Meliodas and Elizabeth, uses his healing power to help a wounded man in the kingdom while his horse ride session with Howzer, the captain of the Holy Knights. Later that night, he joins his parents for dinner in their royal chamber. They decide to eat at a small table instead of the formal dining table, as Meliodas says that food tastes better when shared with loved ones. Meliodas then asks Tristan what he did all day, and expresses his disappointment when he learns that Tristan skipped his training. Tristan defends himself by saying that he was helping people and having fun, but Meliodas is not convinced. Tristan feels hurt and runs away from the table. Elizabeth tries to calm him down, but he leaves.

Music

 * Part 1 Theme Song: LEMONADE by SawanoHiroyuki [nZk]: XAI
 * Part 2 Theme Song: odd:I by SawanoHiroyuki [nZk]: Akihito Okano