When middle school student, Fukuga Kurumi's mother commits suicide after losing 20 million yen in FX trading (Foreign Exchange trading), she vows to recoup the money her mother lost "I'll easily get that much back!" Now, when she is a university student she makes her long-awaited debut in FX trading, unaware that the world she just entered could turn from heaven to hell in the blink of an eye. This is a cute and slightly dangerous story as it explains technical terms by thrilling market fluctuations as the chart drives up and down, which becomes more heated with the entry of quirky FX warriors: Yasuko Takane, Mochiko Kogane, and Mebuki Yamashi. Can Kurumi and her friends survive this world with unstoppable heartbeat moments and unrealized losses!?