Here is the full list of all 64 HENTAI - there are World War II achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Kill 10 enemy soldiers.
Kill 120 enemy soldiers.
The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.
We sleep peaceably in our beds at night only because rough men stand ready to do violence on our behalf.
Heroism doesn’t always happen in a burst of glory. Sometimes small triumphs and large hearts change the course of history.
Kill 70 enemy soldiers.
Kill 80 enemy soldiers.
Kill 90 enemy soldiers.
Kill 100 enemy soldiers.
Kill 110 enemy soldiers.
Kill 20 enemy soldiers.
Kill 30 enemy soldiers.
Kill 40 enemy soldiers.
Kill 50 enemy soldiers.
Kill 60 enemy soldiers.
I don't know what effect these girls will have upon the enemy, but, by God, they terrify me.