It was the Showa era, a time when those who couldn't keep up with the waves of change were left behind, and the era was rapidly transforming. The protagonist, traveling across the country in pursuit of their training as a pachinko professional, happened to visit a pachinko parlor in "Pachipara Town" on a rainy morning. Although they had casually dropped by, inside the shop, they found a man and a woman lying on the floor, covered in blood. The man was already dead, while the woman had fainted. Accused of being the murderer by the store manager who appeared on the scene, the protagonist was framed and embarked on an investigation to clear their own name. However, as if one mystery led to another, the tragedy repeated itself...
