Adventure: (Genre) Titles where the characters are involved in an undertaking usually involving danger and unknown risks.
Spinoff: (Type subgenre) These titles have their roots in an original title but have nothing to do with the original story. It could be a re-telling of the original story or use the same characters but in a different way. Unlike "Spinoff-Sequel", these titles would be considered non-canon material.
| Title | Rating | Synopsis |
|---|---|---|
| C | ||
| Crest of the Stars: Birth | Watch | See Seikai no Danshou |
| Crest of the Stars: Fragment Birth of Stars | Watch | See Seikai no Danshou |
| L | ||
| Lost Chapter of the Stars | Watch | See Seikai no Danshou |
| N | ||
| Nurse Witch Komugi | Rent | See Nurse Witch Komugi-chan Magikarte |
 Nurse Witch Komugi-chan Magikarte |
Rent |
Komugi-chan is a highschool girl who loves to cosplay. So she got the perfect job with an agency where she goes to events as a cosplay girl and even does some acting on the side. She is selected to be a magic girl nurse witch with a special task to defend the city against invading organisms. Equipped with a magic-anti-virus syringe, she will take on any (strange or bizarre) virus. |
| S | ||
 Seikai no Danshou |
Watch | This is the story about how Dubus, Lafiels father, and Plakia after an adventure on a mysterious, abandoned spaceship decided to have a daughter together and why Dubus gave her the name Lafiel. |
| Seikai no Monshou Birth | Watch | See Seikai no Danshou |
| 星界の断章 (Japanese) | Watch | See Seikai no Danshou |
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