天地無用! 魎皇鬼 Tenchi Muyou ! Ryououki OVA Series 4 will have 4 episodes.

Episode release schedule as follow :
2016.11.30
2017.02.22
2017.05.31
2017.08.30

This series will follow the 梶島正樹 Kajishima Masaki's story arc.

For the cast - same as previous OVA series, except :

1. Since 高田由美 Takada Yumi has retired in 2009, 柾木阿重霞樹雷 Masaki
Aeka
Jurai will be voiced by 七緒はるひ Nanao Haruhi.

2. Since 水谷優子 Mizutani Yuuko has passed away in May 2016, 九羅密美星

Kuramitsu Mihoshi  will be voiced by 富沢美智恵 Tomizawa Michie.

3. Since 青野武 Aono Takeshi has passed away in 2012, 柾木勝仁 Masaki
Katsuhito will be voiced by 魚建 Uo Ken and 柾木信幸 Masaki Nobuyuki will be

voiced by 小西克幸 Konishi Katsuyuki.

4. Since 杉田郁子 Sugita Ikuko has passed away in 2009, 九羅密美守 Kuramitsu

Mikami will be voiced by 沢海陽子 Soumi Youko.

-- 
'CuSO4' Yung