Naoya Kaido/Paradise Lost

In an alternate story where Smart Brain and the Orphnochs won, Naoya Kaido (海堂 直也) is the Snake Orphnoch, one of the renegade Orphnochs and part of Yuji Kiba and Yuka Osada's group.

Paradise Lost
In the movie, Kaido, Yuka, and Kiba were on humanity's side. However, the humans didn't trust the Orphnnochs and demanded proof of their loyalty by sabotaging Smart Brain. Unfortunately, it was a trap by Smart Brain and the trio was brutally defeated by Smart Brain's most powerful creation, the Elasmotherium Orphnoch. Yuka was mortally wounded and Kaido tended to her as she faded away. It was in their final moments that Kaido confessed his love for Yuka. Not long after Yuka expired, Kaido ran a suicide attack and was eaten alive by the Elasmotherium Orphnoch. Kiba, being the only survivor was recovered, but also tricked into thinking that it was the humans that deceived them and vowed revenge for his friends.

Snake Orphnoch
Snake Orphnoch Statistics
 * Height: 209 cm.
 * Weight: 130 kg.

In his Orphnoch form, he is themed after a venomous snake. He has never revealed his second Orphnoch form, but he can spit acidic venom at his opponents and has great physical strength. Kaido always assist Mihara on fighting Orphnochs in this form.

Portrayal
Naoya Kaido is portrayed by Mitsuru Karahashi (唐橋 充).