kouyoku senki exs-tia
Doujin game developed by Lusterise and illustrated by inoino miyashiro ryuutarou. Has several sequels and three Parallel Episodes.
Characters
- Shihou Souma / Katsuragi Souma / ExS-Tia Spica
- Katsuragi Marina / ExS-Tia
- Rieszverne Suzette Paladill / ExS-Tia Chevalier
- Azarin / ExS-Tia Magica
- Amakubo Yuri / ExS-Tia Flora