estigate and arrest criminals in order to lower the rising crime rate. People call these civilians Troubleshooter. 10 years have passed since the introduction of the troubleshooter system. Albus, a 20-year-old young man, becomes an official troubleshooter. Albus first starts his company on his own but soon takes in many colleagues as he solves more cases. All these new members of the company have their own motivations and stories. You will be experiencing a variety of missions in Valhalla through their stories.