超獣王ジャスティス神機SRPG第1弾 (translation: Super Beast King Justice God Machine SRPG First Edition) is a simulation game developed by masanosuke for Android. The game is free and falls under the category of games and subcategory of simulation.

The game is set in a world where the desire for power has led to a never-ending war. The story revolves around the protagonist, Jas, who is a new recruit in the White Dragon Corps, the strongest god machine unit in the Blue Republic. In his first battle, he meets a girl named Tia who has lost her memory and is known as a "Magic Soldier" in the enemy's army. The game features a robot simulation RPG gameplay where the action is not turn-based but is based on the mobility of the god machine. The battles are fought using the active turn-based system, and the player can customize the god machine parts according to the battlefield situation. The game does not have any in-app purchases, waiting time, or gacha, and the player can enjoy the story and the world of god machines for free.