Kamen Rider (1971) : 37x4

In order to bring Shiori’s father back, Sora and Yuna are working tirelessly to combat the Fukashigi. After discovering a clue, Sora asks Tatsuomi for help. The Fukashigi reappears. Sora transforms into My-Th, but once again, Rid interrupts. My-Th shifts into Wolf Frame and, keeping an eye on Rid, corners the Fukashigi—but...!?