Makoku - The Seductive Twilight Squadron

This game has its setting on an island in the Far East, where the North and South are divided in war. The player becomes the commander of an intelligence unit called Makoku, who invades the
enemy country to save his girlfriend, Nanayo. You, Mitsuru, promote all the beautiful women under your command to "Lust Sergeants" and train them to become lustful dolls. These lust sergeants then go out and sleep with the enemy, looking for any weaknesses there may be. You, then go in and assassinate them.

The existence of such a team having these inhuman tactics has instilled fear in many people.
These Makoku have been renamed the Inbi no Makoku. (The lustful dolls)

By sacrificing these beautiful assassins, with their lustful appetites to sleep with enemy soldiers, Mitsuru tries with all his might to save his girlfriend. How will these girls look upon these deeds? What will Nanayo's fate be? This is a world of Japanese fantasy. Have fun with this tactical SLG, along with training beautiful girls!

[From gamelexgs]