Location: Yokai War (Location)
Price: N/A (Dropped by O-Dokuro's Head)
Sellback: 18,750 Gold
Description: Who doesnt want to live in a giant skull of a Forbidden Chaos Yokai with a spacious 3-room floor plan?
Note: O-Dokuro (おドクロ) means "Your Skull" in Japanese.
Thanks to Tokijin and Wild Bostero.