The concept of a mysterious skin feature revolves around creating an enigmatic and intriguing visual effect that captures the player's imagination. Inspiration can be drawn from various sources, such as:
: To achieve harrowing shots, Araki used props and camera perspective. For instance, a prop was used in place of an actor's body for a child to rest their head on, and certain "underwater" shots were actually filmed in reverse to ensure the child's safety and comfort. Casting and Character Preparation mysterious skin behind the scenes