During a surprise reunion with his older brother, Seki, questions race through Tobi’s mind. Why would Seki even be here? Is this person truly him? And if so, is he the same big brother Tobi remembers? As the peaceful days Tobi and Ryuuko once knew become little more than distant memories, the zingai incidents continue to ramp up! And amid the chaos, a man from Monika’s organization, who goes by the name Hyena, approaches Tobi and Ryuuko with a peculiar proposal…