Written and illustrated by Yu Yagami

While galloping due West with Red, Naomi comes across Mingo lying in their path. He's convinced he is dying from a killer headache. But when Naomi runs to get a doctor, Mingo finds out what-or rather, who-is causing his pain. And later, find out the secret behind Red Bullet's trauma. What connection does it have with the Wild West's worst mass murderer?