Troubleshooter: Abandoned Children is the first season of a turn-based strategy SRPG that takes place in the world of Troubleshooter, wherein the Valhalla government granted civilians the right to investigate 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.

"Troubleshooter is a turn-based RPG with the story of Albus and the events happening around him. The story begins with Albus becoming an official Troubleshooter who then returns to his hometown to begin his journey as he meets new friends and colleagues on the way."