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Manga comes in many shapes and forms. Some are heartwarming, others are sad and romantic. However, outside these comfort zones is an unknown realm that has crossed and transcended all boundaries. As there are no limits to human imagination, these mangas have successfully inherited the darkest sides of humanity. Their topics range from kinky bondage plays, statutory rape to atrocious genocides, sexual assaults, and much more. Behold, these are the top 10 most messed-up manga you will ever read. 10. Ibitsu Status: CompletedAuthor: Ryou HarutoReleased: Oct 2, 2009Genre: Horror, Seinen Manga Synopsis: One night, Kazuki was taking out the trash when he noticed a strange and creepy lolita girl sitting on top of the garbage. With no prior warning, the girl asked him whether he have a sister, in which he answered "I do". Soon later, Kazuki quickly realized that was the biggest mistake of his life. Messed Up Manga: From gore to psychological horror, Ibitsu will expose you to a thrilling adventure of a young boy trying to run away from the ruthless lolita who claims to be his sister. In fact, his life will never be the same once more. Through amazing storytelling, as well as a great buildup of suspense, you will be left constantly wondering whether things will get worst for our poor Kazuki. And trust me, they will. 9. Rainbow: Nisha Rokubou no Shichinin Status: CompletedAuthor: Abe George, Kakizaki MasasumiReleased: Nov 21, 2002Genre: Drama, Historical, Psychological, Seinen Manga Synopsis: Set after the devastating World War II, Japan was still recovering from its fallen economy. During this period, 6 minors nicknamed Heitai, Mario, Kyabetsu, Suppon, Joe, and Baremoto were taken into custody due to their criminal acts. The minors, accompanied by rapist doctors and sadist doctors, must face their seemingly cruel fate in prison. However, not all is lost as they encounter Acchan, the mysterious prisoner of Cell 6th who showed them kindness and hope amidst those inhumane treatments. Now, determined to survive, the 7 prisoners of cell 6th must overcome numerous challenges, and through it, forge lifetime friendships. Messed Up Manga: Rainbow is a beautiful manga that shows its reader's pure friendships and bonds of brotherhood. However, behind its beauty are some of its darker themes. In fact, the series provide readers an insight into the darker side of Japan's society right after the war ended - involving rape, pedophilia, abuse, and much more. 8. Musume no Tomodachi Status: OngoingAuthor: Hagiwara AsamiReleased: Apr 18, 2019Genre: Drama Manga Synopsis: Kosuke, alone father, and manager at work, has lost his wife years ago through an unfortunate accident. Furthermore, his daughter no longer talks to him due to some personal matters. However, one day, Kosuke encountered a beautiful high school girl named Koto who changed his life forever. Thus begun a forbidden love between a lone father and his daughter's friend. Messed Up Manga: Musume no Tomodachi is a story about a 40 years old office worker who engages in a sexually implicit with a young high school student. Though the relationship may seem lovely for some, such age differences are often seen as taboo in modern society. So if you do decide to read this kinky and messed-up manga, be ready to address some of its ethical concerns. 7. Ana Satsujin Status: CompletedAuthor: LarssonReleased: Dec 6, 2013Genre: Ecchi, Horror, Romance Manga Synopsis: Failing to get into a university after two years of his high school graduation, Kurosu Etsurou decided to commit suicide through hanging. However, during the act, the rope broke, leaving a tiny hole in the wall. Upon peeping through, Kurosu sees a beautiful young girl whose name was Rio. Soon after, peeping became his daily obsession. One day, by total chance, Kurosu discovered Rio's atrocious hobby: murder. Despite being found out, Rio does not kill him but offered to spare him if he accepted her for who she is. Now, realizing the true nature of Rio, Kurosu must try his best to survive hell. Messed Up Manga: Ana Satsujin is a strange, kinky, and overall messed up love story between a couple who engages in criminal activities, aka murder. As the series progress, you will be constantly wondering whether Rio has a few screws loose here and there. And yes, the same goes for our main protagonist, Kurosu Etsurou. Related: Top 5 Horror Manga Recommendations 2019 6. Aku no Hana Status: CompletedAuthor: Oshimi ShuuzouReleased: Sep 9, 2009Genre: Drama, Romance, School, Shounen, Psychological Manga Synopsis: Takao Kasuga, an unsociable middle schooler, loves to read classic Japanese literature; especially Charles Baudelaire's Les Fleurs du Mal. He also has a crush for Nanako Saeki, the idol of his class. One day, when going home, Kasuga realized he has left his novel in the classroom. Upon returning, he found Saeki's gym clothes lying on the floor. Failing to suppress his desires, Kasuga steals them. Unfortunately, his wicked act was found out by Sawa, a strange untalkative girl who sits behind him. As a result, Kasuga's life soon turned upside down. Messed Up Manga: Stealing gym clothes is one thing, being blackmailed against your will is another. Aku no Hana is a strange romantic tale that will make you question the sanity of its character, and ultimately, humanity itself. Though, despite its questionable elements, Aku no Hana also poses some of the deeper and challenging philosophical messages. 5. Happy Sugar Life Status: CompletedAuthor: Kagisora TomiyakiReleased: May 22, 2015Genre: Drama, Horror, Shounen Manga Synopsis: Satou Matsuzaka has never loved anyone, nor has she experienced being loved by others. However, this all changed when Shio Koube, an eight years old girl came into her life. Now, having experienced true love for herself, Satou was determined to ensure Shio's innocence and happiness. In order to do so, Satou vowed to eliminate anyone who dares to threaten their daily lives. Messed Up Manga: Forget about what you have ever learned about the meaning of true love and protecting your loved ones. Why? Because apparently, killing is the only option for Satou Matsuzaka. The twisted natures of characters within Happy Sugar Life will make you wonder why this messed up manga was created in the first place. 4. Tomogui Kyoushitsu Status: CompletedAuthor: Kankitsu Yusura, Sawase YuuReleased: Sep 17, 2017Genre: Horror, School, Shounen Manga Synopsis: Shouta Amano plans to confess to his love, Koharu Saeki. However, he couldn't have picked the worst timing to do it. As he prepares to execute his well-thought-out plan, Shouta receives a strange message on his phone with the subject: "The Friend-Eater Game". Thinking of it as a prank, Shouta dismiss it, only to later learns that his entire class has also received the message. Within it, the content stated an Infected condition, followed by the antidote being Shouta's Duodenum. Ignoring it once more, Shouta gave Saeki his love letter, only to have her head brutally explode and die seconds later. Messed Up Manga: Do you want to know what a duodenum looks and tastes like? If so, come read Tomogui Kyoushitsu, one of the goriest and messed up cannibalism genocide you will ever witness. As the series progress, most characters are driven insane, resulting in them committing atrocious acts of rape, murder, and various other inhumane things. 3. Tsumi to Kai Status: OngoingAuthor: Someya YuuReleased: Apr 7, 2017Genre: Drama, Ecchi, Romance, School, Psychological, Seinen Manga Synopsis: Zen Minedara, stressed out from his high school endeavors, decided that he needed a break before the pressure from his parents destroyed him. In order to relieve stress, Zen goes around taking upskirt photos of his young girls. However, one day, his perverted hobby was found out by Houjou Ayame, the class' vice president. In order to silence her, Zen promises to do whatever she wishes him to do, unaware of the cruel fate that awaits him. Messed Up Manga: Tsumi to Kai, at its core, is a psychopathic story about a couple who engages in kinky BDSM and Bondage acts. However, one of the manga's most important element is psychological. Tsumi to Kai provides you an insight into the head of the main protagonist, in addition to his partner in crime, Houjou Ayame. Needless to say, their minds are as messed up and perverted as you imagined. 2. Dead Tube Status: OngoingAuthor: Kitakawa Touta, Yamaguchi MikkotoReleased: Apr 19, 2014Genre: Ecchi, Horror, School, Seinen Manga Synopsis: Dead Tube is a video streaming service that hosts videos containing entertaining content, especially the act of murder, rape, and the likes. Tomohiro Machiya is a seemingly innocent high school student when he was asked by a beautiful senpai, Mai Mashiro, to film her daily activities. Everything seemed normal at first. However, events lead to another, and Machiya suddenly found himself filming an atrocious murder scene right in front of his eyes. Now, with no ways out, Machiya must take on the utmost important role as a Dead Tuber. Messed Up Manga: In order to entertain their audiences, Dead Tuber are willing to put their life on the line and film the most heinous crime possible. Not only that, the main protagonist, Machiya, is a sick pervert who becomes arousal upon seeing murder being committed. Consisting of most horror elements from gore, sexual assault, to murder, Dead Tube is definitely up there on the list of the most messed up manga to read. 1. Chi no Wadachi Status: Feb 24, 2017Author: Oshimi ShuuzouReleased: Feb 24, 2017Genre: Drama, Psychological Seinen Manga Synopsis: Seiichi Osabe is a middle school student who seemed to live a fulfilling life in a mediocre household along with his loving mother, Seiko Osabe. Though Seiko herself is overprotective about her son, Seiichi never had second thoughts about his mother's love for him. Yes, everything seemed perfect, until a certain incident that made Seiichi truly questioned his surroundings. Because perhaps, his mother is not exactly what others called 'normal'. Messed Up Manga: Chi no Wadachi is a story about a young boy who slowly comes to a horrid realization that his life was very different from others, particularly his mother. The series does contain blatant violence and crimes. Instead, the manga focuses on creating very subtle yet suspenseful psychological horror. In all seriousness, Chi no Wadachi will make you question motherly love once and for all. Conclusion And that concludes the list of 10 most messed up manga you will ever read. Whether you are a fan of more subtle psychological horror, violence , or kinky roleplay, there is always something for everyone. In all seriousness, these manga are not to be taken seriously. Because truly, the human imagination knows no bound. Evidently, when put on the test, Mangakas are able to come up with some of the most gruesome and atrocious stories in manga history. So, what did you think about this list? Was there any manga that I missed? Do you know a manga series that is just as messed up as those listed above? If so, feel free to share your thoughts in the comment section below! Till then~