Rance 5D -The Lonely Girl- + Rance VI -Collapse of Zeth-

Rance 5D -The Lonely Girl-

After fooling around too much and burning through all his funds, Rance reluctantly takes his slave, Sill, and his pet, Athena 2.0, with him on some adventuring work.
But while fighting through a dungeon, they get lost in the caves and can't find any way out...
After some trouble, they eventually arrive at a mysterious castle inhabited by youkai...

Rance VI - Collapse of Zeth-
Some time after Rance 5D, Rance has once again spent all his money and taken a job in the magical Kingdom of Zeth with his mage slave, Sill. In Zeth, however, mages are considered superior and non-mages are treated as 2nd class citizens, sparking events that lead to Rance's confinement.

What appears to be a prosperous nation is, in reality, rife with poverty and oppression against all who can't use magic. Annoyed that such discrimination would target himself, Rance joins a resistance group and helps their efforts to lead Zeth to a revolution.

And so, under the pretense of liberating the public, Rance's adventure full of punishing evil mages, making a harem from his female allies, and having tons of sex begins...