Yui Morisaki, a skilled high school karate champion driven by justice, assumes her secret identity as the radiant warrior Pony Ceres to combat the malevolent Zydarg group. In this first episode, she encounters a formidable spider-like beast and its commanding officer from the enemy ranks. Caught in a web of traps, she faces overwhelming odds that push her limits in a harrowing ordeal blending heroic fantasy with intense personal trials.