At Eden Hall, each glass has a story.

The story takes place between the first and second seasons, where Rimuru confronts the swirling conspiracies in the Coleus kingdom.

Aboard the Edens Zero, a lonely boy with the ability to control gravity embarks on an adventure to meet the fabled space goddess known as Mother.

A second-year high school boy finds himself uneasy during Christmas time due to an experience in the past. However, this year at Christmas, he gets his last chance to ask out a graduating female senior named Haruka Morishima — or one of several other classmates. The story of the anime will be arranged in an omnibus format, with each heroine getting her own version of the story animated. Each heroine will sing her own version of the ending theme song.