She Is Like an Interstellar Koi, Making All the Bosses in the Universe Look Really Good.

The ancient martial arts girl who awakened the "unknown force" physique was used by her family as a "humanoid causal weapon" and launched into the villain's headquarters. She originally wanted to die together, but unexpectedly became the strongest "auspicious" in the entire galaxy. She was tearfully supported by the strongest commander and was forced to win.