Hanmura Ryō
Chronological Checklist

Series – Akukan Yōsai

2 titles
• Akūkan Yōsai ["Warp Space Fortress"] (Tokyo: Hayakawa Shobō, 1974)
• Akūkan Yōsai no Gyakushū ["Counter-Attack of the Warp Space Fortress"] (Tokyo: Hayakawa Shobō, 1975)