Sunrider: Liberation Day

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Sunrider Liberation Day is a turn based tactics game with deep storyline segments where you are Captain Kayto Shields of the starship Sunrider and must lead your squad of mecha pilots to victory.
Combining an edge of your seat story from the best mecha animes with ruthless gameplay where every mistake is punished and every victory feels like a triumph, Sunrider Liberation Day is a must play for fans of Japanese tactics RPGs and anime.

-Command the prototype starship Sunrider and her squadron of mechas in brutal battles for survival
-Intense story where one of your beloved crew members is a spy
-Vastly improved art and gameplay mechanics from Sunrider Mask of Arcadius
-Full voice acting in Japanese for the entire main cast

Note: It is highly recommended that you play Sunrider Mask of Arcadius (for free!) before playing Sunrider Liberation Day.