Six episodes and it never once tries to be Arknights' big serious war story, which is exactly why it lands. Lungmen's back alleys get treated like a neighborhood instead of a battlefield: errands, petty disputes, the kind of nonsense case you'd hear over a pot of tea rather than a mission briefing. Lee holds the whole thing together as the unflappable center while Aak, Hung and Waai Fu bounce off him, four operators who normally live in supporting slots finally getting a room of their own. The ONA short format is the point, tight comedic beats with no room for padding, each case in and out before it wears out its welcome. That framing device, cases served alongside your tea, is the tell that this thing knows what it is. It's the side story where the city stops being a map and starts being somewhere people live.
In the gritty underbelly of Lungmen City, a ragtag group operates from the shadows: Lee, Aak, Hung, and Waai Fu. Together they run Lee's Detective Agency, a scrappy outfit that handles the jobs nobody else will touch. Missing persons, neighborhood feuds, peculiar thefts, and stranger still requests come through their door daily. Each case pulls the crew into absurd situations that somehow manage to be both dangerous and ridiculous in equal measure. Lee leads this odd bunch with a calm that masks deeper complications, while his companions bring their own brand of chaos to every investigation. There's no grand conspiracy here, just the messy reality of people trying to make a living in a city where problems breed faster than solutions. The cases pile up, the money barely covers rent, and trouble always finds them anyway. What keeps you watching isn't any overarching mystery but the chemistry between these four misfits and the unpredictable blend of comedy and genuine peril that accompanies their work. Street-level, character-driven, and weird in the best way.