The official Japanese website for the Tenchi Muyo spin-off: Isekai no Seikishi Monogatari released the first one-minute teaser trailer with no character animation. At the same time the website also posted the staff list for the anime series.
You can see the trailer here
The story is set in an alternative word called Geminar where the citizens have fought endless wars with replicas of humanoid weapons that they found in some ancient ruins. Tenchi’s half-brother: Kenji Masaki is summoned to Geminar to help.
Masaki Kajishima will remain the supervisor of the series, and Koji Yoshikawa supervised by Hideki Shirane will be directing off scripts. Kastumi Enami will be creating original character designs and the cheif animation director Hajime Watanabe will adapt them for the anime. Naoshiro Washiro will be playing a much larger part than in any previous Tenchi Muyo project and will be designing all mecha whilst Masaki Sato, Shouko Mastumoto and Hiroshi Ogawa will be fleshing out the world they live in.
Nobuhito Sue is developing all background art and Kyo Inoue will be directing this. Aiko Matsuyama will be overseeing the colour palettes. The remaining staff are as follows:
Editor: Syota Migiyama
Director of Photography: Ryosuke Ozaki
Sound Director: Jun Watanabe
Music: Akifumi Tada
Sound Production: Trinity Sound
Theme Song: “Follow Me feat. Sound Around” by Seira Kagami
There’s still currently no release date available.
Source: Anime News Network