夏 目 實 加 從 長 野 來 到 東 京 ， 參 加 橫 笛 吹 奏 比 賽 ， 一 條 到 會 場 替 她 打 氣 。 可 是 ， 會 場 內 另 有 一 名 男 子 鬼 鬼 祟 祟 ， 似 正 要 圖 謀 不 軌 … … 雄 介 再 次 感 到 「 零 號 」 的 氣 息 ， 變 身 綠 色 古 迦 搜 索 牠 ， 「 零 號 」 神 秘 力 量 之 強 竟 隔 空 令 古 迦 頹 然 倒 下 ！