This project is currently on hold (the author was having some writers block) and instead they are working on Interea. Interea take place sometime during the last 9 months the MC from Adastra was on the moon before returning to Earth. The Asastra story briefly touches on the tour of the Adastran moon's cities by the MC and Amicus but Interea goes into detail about that trip (They also help setting some of the background details that will probably become important in Khemia).
Once Interea is done the author plans to return to work on Khemia (which takes place around 2.5 year after the MC returned to Earth).