A Keyblade designed after the butterfly motif from Fatal Frame II: Crimson Butterfly! This Keyblade is designed to double the damage of your attacks! The hilt of the Keyblade is designed after Mio Amakura's Camera Obscura and Spirit Stone Radio with the cross guard having the first set of crimson butterfly wings. The shaft of the keyblade is made of twin pillars holding the saving lamp. The teeth is formed with a second crimson butterfly. The keychain is made of Spirit Stones with the token being Mayu's Charm.
The World Logo is that of the hidden village that Mio and Mayu are trapped in. The name comes from the dual themology of twins and butterflies.