It's still possible there might be one. The actor who played Kenzaki mentioned a possible V-Cinema a lot when he posted about the CD on Twitter. So our hopes aren't crushed just now.

http://38.media.tumblr.com/485d8ef1f...ktzo1_1280.jpg

I'm crying ＼(*T▽T*)／

Character descriptions

Kenzaki:
Travels around the world helping out people in trouble.
Even as Joker he never transform into it.
Never stays long in one place.

Hajime:
Works at the coffee shop Jacaranda to hide his Joker identity.
Also a freelance cameraman under the name Mazaki Kenichi.

Tachibana-san:
Still works at the lab doing research for humanity.

Mitsuki:
A reliable senior staff at an event company.

http://www.toei.co.jp/release/tv/1204491_963.html