This movie was simply boring. I’ve seen almost every Detective Conan film, and I understand these are often made for commercial purposes with no real impact on the overall plot, but this one crosses a line by being boring to the point of offensive. From a commercial or tourism angle, it does its job: promoting Nagano, showcasing its snowy scenery, star-filled skies, and scenic atmosphere. As a promotional piece, it succeeds. But as a crime thriller or action movie, it completely fails. The movie opens with two disjointed, clumsy crimes that feel abrupt and unconnected, giving viewers no time to settle in or understand what’s happening. Evenworse, there are already unintentional hints at the solution during the Conan intro monologue, which ruins the mystery before it even begins. The central case itself is incredibly dull. Each time a key character shows up, the film practically screams at the audience to pay attention, repeating themselves unnecessarily. And then there’s the swarm of police characters pulled from the main series, many of whom are given little to no purpose or screen time. Even the core focus, the Nagano police force, is underwhelming and never truly shines.

The structure of the crimes is sloppy; each new crime simply serves to narrow the already limited suspect list, which makes the mystery far too easy to solve. If not for the obscure and convoluted motive, most viewers would have figured out the culprit before the halfway point. And that motive? Unrealistically complicated and not emotionally convincing.

The action scenes, which usually help cover up a weak story in other Conan movies, don’t do the job here either. There's no real tension or stakes. Between the heavy exposition dumps, repetitive explanations, and forced use of the snow-and-stars setting, the film feels like a drag. Honestly, it barely qualifies as a passable episode for the TV series, let alone deserving of a full theatrical release.