The first episode, you’re brought to the fact that Sakurako is engaged to a higher-up in the police force, but, his character never really comes into any meaningful play, especially when it would be EXTREMELY helpful during certain parts of the story. This led me to believe, early on, that maybe the story device of her being engaged, would force her assistant, who has romantic interest in her, to have to try and overcome his personal feelings in order to effectively work as a team, or maybe, because the show’s main character is Sakurako, that maybe her assistant was going to try and off the fiancé, and so the final mystery was going to be her trying to find the to-be-assailant before her fiancé is slain, and she ends up having to arrest her assistant at the end of some crazy bone hunt at the very end of the show, but that also doesn’t happen. The show doesn’t do anything with the fiancé, besides merely mention him.
Also, why did the hardly do anything with the uncle? They could have maybe constructed a sub-plot where Sakurako’s uncle, the former famous forensic scientist, could have teamed up with their police officer friend, Utsumi, and they could help them out with investigations. It would more easily explain why he puts up so much with the bone hunter duo, instead of just giving him a happy-go-lucky attitude. This isn’t to say that these sort of public servants don’t exist, but, during episode five, we are presented with Utsumi’s story, where it didn’t look like he was going to grow up to be an officer whatsoever, and yet, he became one. Why not have him meet Sakurako’s uncle, which would explain his sudden love for justice during his formative years, as well as his patience for Sakurako?
In literature, there’s a saying that goes “don’t put a gun on the wall, unless you’re going to do something with it.” There’s no reason to introduce excessive fluff in a story, if you’re not going to use it to further the story in a meaningful way. It would have really helped, as the final 2/3 of the story became increasingly boring.
Also, the final two episodes felt like shallow and cheap conclusions. Instead of finishing out strong, we are presented with forced drama where Sakurako has to abandon her partnership with her assistant, Shoutaro in order to keep him safe from a serial killer who has been behind many of the duo’s investigations. This would have been fine, if perhaps, Shoutaro would have found resolve to become a proper investigator himself, and go solo in trying to track down the killer, with her and Sakurako eventually meeting up in the end to confront him, but, instead, a few flashbacks later, she accepts him again with open arms after he says he’s OK with the possibility of dying. Really weird consistency, along with not using the world and story that it builds up for itself, really shoots itself in the foot