Shokushu Makai no Ryoshuu ~Jain no Nie ni Sasagerareta Futari no Otome Marika & Emily~

The kingdom of Lanrod was bearer of a protective seal that restrained an ancient god.
In order to save the already-captured warrior princess Ixia and the other two original protectors anointed by the goddess Elixia herself, Marika and Emily faced heretic believer Zodiac.
But Zodiac got the better of them, and the two heroines were also captured.
Then he unleashed his violating tentacles on the duo...

[From DLSite English]