If you're looking for manga similar to Daihao: Kuangxin, you might like these titles.
This is a detective story filled with all kinds of people—from those with abnormal behavior to the mentally unstable—with numerous absurd cases with handsome men and beautiful women interwoven in them. A series of missing children, corpses down the drain, a murderer who died and was revived, an obsessive, serial bomber who targets public buses, the bloody words on the walls belonging to a family all murdered…
Ayanokouji Rei... Clear headed, elegant appearance, and a flawless private detective. Challenging each case with "splendor" and "sadism" has earned him the nickname "Sadistic Detective".
What is it that the detective encounters when investigating a hot spring town that has seen better days...? A curious story begins when he encounters a mysterious exotic dancer...
A man who can see the omen of death on certain people solves cases using his strange ability.
Fujisaki Touka receives a request to investigate a strange case. It is a bizarre case of human karma that can only be solved by someone with the power of the "kami-sama." With her human form, she has the unique ability to touch things in the ethereal world, which allows her to trace the path towards solving the case. Her companion is the young man Saku Fujisaki, who was supposed to protect her as a follower of the "kami-sama." This is the story of a girl caught between dream and reality, and the companion who watches over her.
After Ming Shu finished his training and returned to Dongye City’s Criminal Investigation Bureau, he found that Xiao Yu'an, his old neighbor who was like a big brother to him that left without saying goodbye many years ago, had suddenly become his immediate superior. What was crazier was that they also became housemates and started living together! While Ming Shu juggled that headache of a situation, mysterious murder cases followed one after another - an unemployed man suddenly going crazy in a book cafe, the most hardworking performer of a Chinese orchestra dying strangely, an escape room game that seemed to be more than a game... Ming Shu, ‘This time, I won’t let you go.’
Tsutomu Madara is a rookie detective at the Third Investigation Team of the Tokyo Police Department. His section deals mainly with petty crimes which leads Tsutomu to lose all his enthusiasm for the job. One day, he meets a master thief, Garasu Kemuri, who helps him solve cases.
Follows a detective attempting to solve a mystery and a man who doesn’t know himself.
At first, Yu Xia thought he had just entered a horror game inside an eerie ancient house filled with resentful creatures. Later, he found out that in addition to the horrors of the game, he also had to deal with hindering teammates and skills. Even later on, however, his teammates began to think that the real hindrance was finding a boyfriend in the game.
The story is based on the adventures of a pair of policemen, Hashiba Shigemi 26 years old and Keiichi Sasaki, 22. The two handsome young men are somewhat nonconformist and often act of impulse; especially the impetious Hashiba. They solve crimes with "less-than-orthodox" methods and push themselves to the limits of the legality; Often engaging themselves more on hunches and "faith" than for the same law; but after all they are the best "Combination" that can be found. thus the title of the series. They prefere to take action against the politically corrupt and the dealings of the yakuza. The Japanese Robin Hood?