คาเมนไรเดอร์ Kamen Rider: 26x4

ตอนที่ 4 เซอร์ไพรส์! ปราสาทลอยฟ้า!

Takeru, who has obtained his third Eyecon, is told by Sennin that the fourth one, Oda Nobunaga, is not going to be easy to obtain. A new client, Kuroda, has come to the Mysterious Phenomenon Institute requesting their assistance as their president of the Sengoku Corporation has suddenly become cold and tyrannical and things have been seen floating around at the company’s headquarters. Could this be the work of a Gamma? Takeru starts investigating. Clues include the letter from a famous Japanese general and the suspicious behaviour of Sakuma, one of Kuroda’s secretary.