Kanon Fukami (深海 カノン, Fukami Kanon), born Mion (ミオン), is Makoto Fukami's younger sister whose consciousness was trapped inside a Gamma Eyecon until Takeru wished for her revival. Seven years later, she gained the ability to transform into Kamen Rider Kanon Specter (仮面ライダーカノンスペクター, Kamen Raidā Kanon Supekutā).