I’m a Reckless Brute

In an alternate history, a reckless man almost drank himself to death over a broken heart! Born with superhuman strength, he is brash and impulsive! The nation is besieged on all sides, yet there are no generals to call upon. The fate of the world is everyone's responsibility, even a reckless man's! Watch as I, the world's most reckless man, fight the northern invaders and wipe out the Japanese pirates!