Shokushu Makai no Ryoshuu ~Himekishi Ixia Kanraku.........

The Kingdom of Lanrod was a small country with rich resources.
It was established a long time ago to seal off the evil god with the courtesy of the goddess Elixia and to maintain it.
However, now that it became a legend, and a lustful wizard destroyed the royal seal with vicious intention, which resulted in the collapse of the kingdom itself.
Luckily, the evil god has yet to revive. The remaining seal of the goddess are shattered and kept in some brave men's body of the destroyed kingdom.
Ixia was among them, and Zodiac plans to assault and weaken her to get one of the key to take off the seal completely...

[From DLsite English]