Due to the depletion of Earth's resources and environmental degradation, more than half of the human population has migrated to Mars. However, suddenly, invaders attack Earth and the remaining human population is forced to resist. Become Azusa Takanashi, an environmental researcher on Earth, and pilot the state-of-the-art space fighter "YK-IIA" to lead the greatest resistance in human history. Defeat is never an option!

The eight action-packed stages are stunningly beautiful and the superb production brings the intense battles to life. In addition, the soundtrack, created by video game music legend Yuzo Koshiro, is an absolute must-hear!

As you immerse yourself in the missions of Earthion, themed around the salvation of humanity, you will find yourself leaning forward in anticipation.