The Millionaire Detective – Balance: Unlimited
A Mystery and Adult Cast series from 2020 worth adding to your list.
Daisuke Kanbe, a man of extraordinary wealth, is assigned to the Modern Crime Prevention Headquarters as a detective. It is there that he gets partnered with Haru Katou, a humane detective who values justice above all. The two are polar opposites, and their morals clash time and time again. Haru despises Daisuke for using monetary wealth to solve cases, as he believes that money is not everything. They will have to combine their efforts, however, to solve the mysteries that are coming their way.
Plot summary from MyAnimeList. Data and images via Jikan API.