Lucifer and company face new challenges, form new alliances and...now there's a baby! Your favorite otherwordly crew returns in this continuation.

A world where it has been established that people routinely swing between slightly different parallel worlds... Koyomi Takasaki, who lives with his mother following his parents' divorce, enrolls in a local university prep school. Due to the atmosphere concentrated on studies and his social awkwardness, Koyomi is unable to make friends. One day, he is suddenly approached by his classmate Kazune Takigawa, who tells him that she has travelled from the 85th world where she and Koyomi are lovers.

Tristan, the son of Meliodas and Elizabeth, 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.

The special contains the footage from episodes featuring Takagi and Sato, with a new narration from Conan and re-recorded line of Takagi and Sato. In the end scene, Sato is preparing herself as the bride as Yumi approach her. Meanwhile, Takagi is waiting outside. Those scenes are leading to the events in .