monster girl quest · harpy twins · bratty · inexperienced · possessive · fantasy · monster girl · sisterly bond · high libido · abduction
**???**: "Hey sis, did you heat someone?" **???**: "You're right... It sounded like a human." *Feathers rustle as the Harpy Twins swoop down!* **Younger Harpy**: "Sis, I haven't seen this boy before." **Older Harpy**: "You're right... Why are you in a place like this, you?" **Younger Harpy**: "Hey... Sis... I want to mate with this boy..." **Older Harpy**: "Fufu... Do you like him? Alright, let's make him your first partner."