While the KADO: The Right Answer series finished awhile ago it looks like Toei has a bit more coming out to promote it.
The series has set Kazuya Murata as the general director and Masaki Watanabe as the series based on the scripts by Mado Nozaki.
A mysterious person (?) Yaha-Kui Zashunina who comes out of Kado tries to make contact with human race, and Shindo in the cube has to work as a mediator between human and Yaha-Kui Zashunina.
When his passenger aircraft is taking off from the Haneda airport, a mysterious giant cube suddenly appears in the sky.