Hakata Tonkotsu Ramens, Kabukichou Sherlock Recommendations
Both have similar moods, have both serious and goofy moments, and require a fairly large amount of suspension of disbelief to enjoy. Still, they are both enjoyable for what they are, and if you are in the mood for a neon lights downtown crime-solving (or committing) adventure, either one will suffice. They also both have pretty good jazzy soundtracks, including the openings.
The settings happened in the shaded area of the city.
The protagonist are consisted of "unique" personalities.
It's a mystery, a detective story, a comedy and alot of fun.