I'm so Lucky to Be with You in This Life

She escaped from the K Group killer training camp, but her lover was killed by the organization. She cheered up and became a special soldier. She borrowed the power of the arms boss to fight against the K organization again, which had brought her endless suffering. The heroine here does not need to be protected by a male protagonist or a male supporting character. The heroine is proficient in fighting, racing, and weapons. She only has times when her mood is low, not when her combat power is low.