The mystery cases land because they're actually solvable from your couch, not just theater for the cast to figure out later. Kyuu and crew feel like they're thinking at the same speed you are, which means you're not watching a genius explain things you already missed. The show trusts you to be a detective too.
Kyuu has always trusted his instincts and sharp mind to solve problems, but his dream of becoming a detective feels out of reach until he discovers the Dan Detective School. This prestigious academy trains the brightest investigative minds in the country and arms its students for fieldwork. He joins a specialized unit alongside Megu, whose photographic memory captures every detail; Kinta, a combat specialist with unmatched reflexes; Kazuma, a tech genius who can hack anything; and Ryuu, a quiet operative whose past remains carefully guarded. Together, they form an unconventional detective team tackling intricate cases that would stump ordinary law enforcement. Each mystery demands they combine their unique talents: logic against deception, memory against forgetting, force against resistance, technology against analog security. The cases pile up with increasing complexity, and beneath the procedural mysteries lies a larger conspiracy waiting to be uncovered. What begins as individual assignments evolves into something far more dangerous. Kyuu and his team must navigate the tension between following school protocol and pursuing the real truth, even when it leads somewhere no one expects.