History Manga / BrutalSatsujinKeisatsukanNoKokuhaku

* AffablyEvil: Dan is very calm and collected when he murders criminals. Some of his victims think he's crazy, especially when he does something strange such as dancing and doing the infamous "spider-walk" from ''The Exorcist''. Though he does this just to insult them.

* VigilanteMan: Dan may be a detective but he kills criminals who evaded justice. While he likes to see the despair in his victim's eyes, he believes that he's doing a good deed for society.

* FirstLove: Dan had a high school crush who he described as an intelligent person and made an expression that would drive him obsessed but then later lost them in unknown circumstances. Later details implied his love was a guy and he was the one

* TheLostLenore: As the only insight we've gotten from his MysteriousPast, Dan recounted his FirstLove back in high school to his colleagues and described them as an intelligent person who made an expression that would drive him obsessed. Dan's face suddenly turns grim when he revealed said person died in an undisclosed incident but not because he misses them but rather [[{{Yandere}} regrets not killing them with his own two hands when they were still alive]].

** Yuudai Oga attempted to harm a baby and his mother by undoing the hug strap he was in on a subway. [[spoiler:He gets thrown off a bridge with a bungue-jumping cord that was poorly strapped on his back.]]
** Nao, The Star King became famous by recording a live car accident, subsequently harassing the driver, and even causing a man to fall in front of a train. [[spoiler:He gets killed by having his legs ran over by a car while getting recorded]].

** Rintaro Fuwa lived a public life of a family man and his love for babies while being an abusive husband, serial cheater, and having killed a woman with whom he had an affair. [[spoiler:He gets killed by having his dick cut off for his infidelity, and then drowned in an aquarium of seawater, which emulates a fetus surrounded by emiotic fluid.]]

The manga follows Hiroki Dan, a handsome and successful young detective that is the star of the police department. Off-duty, however, he is a SerialKiller that takes it upon himself to bring bloody retribution to people that the law can't punish properly.

''Brutal: Satsujin Keisatsukan no Kokuhaku'' (ブルータル 殺人警察官の告白, lit. "Brutal: Confessions of a Homicide Investigator") is a crime thriller manga with story by Kei Koga and art by Ryou Izawa. The manga began serialization in the {{josei}} magazine ''Comic Tatan'' in 2019. It's a spinoff manga of ''Trace: Kasouken Houi Kenkyuuin no Tsuisou'' (トレース 科捜研法医研究員の追想 lit. Trace: Recollections of a Forensic Researcher) which is also written and drawn by Kei Koga.

''Brutal: Satsujin Keisatsukan no Kokuhaku'' (ブルータル 殺人警察官の告白, lit. "Brutal: Confessions of a Homicide Investigator") is a crime thriller manga with story by Kei Koga and art by Ryou Izawa. The manga began serialization in the {{josei}} magazine ''Comic Tatan'' in 2019.

* AffiblyEvil: Dan is very calm and collected when he murders criminals. Some of his victims think he's crazy, especially when he does something strange such as dancing and doing the infamous "spider-walk" from ''The Exorcist''. Though he does this just to insult them.

* ShoutOut: Many to ''Film/TheExorcist'', which is Dan's favorite movies, and that he uses as a reference for various tortures.

* EvilTeacher: Taisuke Henkouji may at first appear to be a charming teacher, but he is a degenerate who blackmails students in love with him to send him intimate photos of them. In addition, in his adolescence, he was a very mean bully who even caused the suicide of one of his classmates.

* CharacticTic: Anytime Dan finds a person that he plans to punish, his left eye twitches twice.

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''Brutal: Satsujin Keisatsukan no Kokuhaku'' (ブルータル 殺人警察官の告白, lit. "Brutal: Confessions of a Homicide Investigator") is a crime thriller manga with story by Kei Koga and art by Ryou Izawa.

** Toshi Momiki was a parasite who mistreated his girlfriend's children and left them outside, despite the cold. [[spoilrer:He is tied up in a tree, dressed only in a diaper, and dies of hypothermia at Christmas time.]]

''Brutal: Satsujin Keisatsukan no Kokuhaku'' (ブルータル 殺人警察官の告白, lit. "Brutal: Confessions of a Homicide Investigator") is a crime thriller manga with story by Kei Koga and art5 by Ryou Izawa.

The manga follows Hiroki Dan, a handsome and successful young detective that is the star of the police department. Off-duty, however, he takes is a SerialKiller that takes it upon himself to bring bloody retribution to people that the law can't punish properly.