In the Nintendo Treehouse Demonstration, Platinum Studio's original innovation, Chain of Stars and Souls, released a nearly 30-minute live demonstration. The video address "Chain of the Stars" takes place in a future city named Ark, where players play a member of a special police organization called Neuron, using special weapons "Legion" to investigate the incident and fight against invading monsters. & nbsp; fighting alongside Legion & nbsp; & nbsp; demonstrating a key point of car chase shooting, a teaching of fighting alongside Legion, and a complete mission of incident investigation, and finally demonstrating a boss battle. In addition to the action fighting part, the protagonist as a police officer to investigate the incident seems to be an important part of the game. Case Investigation "Chain of the Stars" will be held on August 30, 2019.