After Failing to Heal the Villain, I Could Hear His Thoughts

I transmigrated into a cannon-fodder character destined to be tortured to death by a villainous big shot, and the System told me to heal him with love. I acted gentle and considerate for three years, but he remained gloomy and cold. Then the System suddenly announced that the mission had failed, and I completely broke down, ranting furiously in my head. The next second, he gripped my chin, a storm in his eyes unlike anything I'd ever seen. “Why didn't your ‘System’ give you any lines besides poetry today?”