Since it is an animated film, I didn’t expect a side poster featuring the two leads, Suda Masaki and Hirose Suzu (above). The main poster is the one below. By the way, an [official twitter] has been created. Indeed, a twitter account is needed to reach out to the Japanese audience.
You can enjoy their voiceover clearly in the videos below.
Special Report (32s)
Trailer 1 (1m02s)
Trailer 2 (1m11s) – latest