The fundamental conflict of the isekai protagonist is whether the system serves the individual or the individual serves the system. Comparing these two exposes a paradox: the character with higher destructive output (YPS-4) is anchored by emotional bonds, while the character with lower output (YPS-3) is a prisoner of her own cold logic. Kirito’s Ego 100 is a weapon; he forces the Aincrad system to recognize his will, treating the virtual environment as a canvas for personal growth. Conversely, Tanya’s Ego 0 is a survival strategy. She attempts to vanish into the military bureaucracy, hoping that by becoming the perfect cog, she becomes invisible to the whims of Being X. This is where standard power scaling breaks down. The gap between YPS-3 and YPS-4 is negligible compared to the chasm in their narrative protection. With a Luck score of 0, Tanya exists in a state of constant friction where every victory increases her visibility and danger. Kirito uses his agency to expand his circle of care, while Tanya uses her rationality to shrink her world into a manageable set of spreadsheets. One fights to maintain a soul in a digital void; the other fights to erase any trace of a soul to satisfy a divine auditor. The comparison reveals that agency is a heavier burden than power.