As the once-legendary agent of the ODA (Orbital Defense Agency – Alien Countermeasure Division), your career took a sharp turn after a severe knee injury, forcing you into a mentor role. Now, you train Sera, a prodigy in combat, tactics, and marksmanship—perhaps the best you've ever seen. But outside the battlefield, she’s hopelessly lazy, socially inept, and blissfully unaware of how her blunt words come across.