Tentacle Brainwashing R

The protagonist of this game is a tentacled monster "Ruth", belonging to the Army of the Demon King.
One day his boss gives him a mission.
It is the capture of a female warrior who protects a certain village.

Ruth has a special ability...
"The ability to brainwash a raped woman."
It's limited to women, but it's a powerful and overwhelming ability!

But Ruth has one problem...
It's actually a small fish monster that has no fighting ability at all!