The official website of Tenchi Muyo! Ryo Ohki Dai-4-Ki, the fourth OAV in the Tenchi Muyo! Ryo Ohki OVA series, began streaming a fourth promotional video on Saturday. Azusa Satou as Otoka Masaki narrates the video. The video previews the third installment's opening theme song "Kokoro Hanabira" by Haruna Ōshima.
The OVA's fourth Blu-ray Disc volume is slated for August 30. The first volume shipped last November, the second volume shipped on February 22, and the third volume shipped on May 31.
The anime's main cast includes:
Masami Kikuchi as Tenchi Masaki
Ai Orikasa as Ryoko
Haruhi Nanao as Aeka Masaki Jurai
Chisa Yokoyama as Sasami Masaki Jurai
Michie Tomizawa as Mihoshi Kuramitsui
Yūko Kobayashi as Washu Hakubi
Etsuko Kozakura as Ryo-Ohki
Naomi Shindoh as Noike Kamiki Jurai
The rest of the cast includes:
Ken Uo as Katsuhito Masaki Katsuyuki Konishi as Nobuyuki Masaki Rio Natsuki as Rea Masaki Yuko Nagashima as Minaho Masaki Rei Sakuma as Funaho Masaki Jurai Emi Shinohara as Tennyo Masaki Sakiko Tamagawa as AiRI Masaki Yumi Touma as Tokimi Kenichi Ogata as Azaka Satsuki Yukino as Tsukiko Masaki Yoko Soumi as Mikami Kuramitsu Rui Tanabe as Ringo Tatsuki Risa Yuzuki as Mizune Masaki Azusa Satou as Otoka Masaki Miya Amamiya as Fūka Masaki
Masaki Kajishima is credited with the original concept, character design, and as general director. Hidetoshi Takahashi (Sword Art Online II, Your Lie in April episode director) is directing the anime at AIC and C2C. Hideki Shirane (Tenchi Muyo! War on Geminar, Tenchi Muyo GXP) returns to supervise and pen the series' scripts. Takeshi Oda (Yurumates3Dei, Onee-chan ga Kita) is adapting the character designs for animation, and Ryo Sakai (Glass Maiden, Kino's Journey, Ceres, Celestial Legend) and Crunch All Stars are composing the music.
The new OVA is the first entry in the OVA series in 11 years since last episode of the third OAV debuted in 2005.