Violence Jack 2: Evil Town - Recommendations

• Vol: 1; Ch: 9
• 2010

It is a very dark night. Under a heavy rain, a determined man sets out to track his terrified victim. The decision of Kirishima Seiichi is clear: Tonight, he will kill his wife. A year ago, he was a happy man - a successful writer, a contented husband, and a father of a young boy... at that time, everything seemed going well for him. But such happiness had to end. The day his editor put an end to their collaboration, darkness seeped into his life faster than a bullet. A terrifying descent into hell commences, page by page of what it seems to be his last novel...

• Vol: 5; Ch: 72
• 2018 - 2020

Isamu doesn't stand out, and everyone calls him a "side character" behind his back. Even his passion for running doesn't get him anywhere on the track team, so he spends his nights languishing at a low-paying part-time job. It feels like everything he's holding in is going to boil over, but when people start getting infected with a mysterious illness that turns them into monsters when sexually aroused, he will have to learn how to control the urges he has pent up inside in order to survive.

• Vol: 6; Ch: 29
• 2016 - 2018

2022: Japan's non-workers regeneration method has been established. A person who does not have income more than six months is subject to a treatment where they rewrite their brain at a regeneration treatment facility. Tatsuya Kamijo was working in a foreign-owned investment company. One day he loses his job, but six months later, Tatsuya is sent to a concentration camp rather than a playback facility. There, he is subjected to worse treatment than brainwashing and training. Why was Tatsuya sent there?

• Vol: 18; Ch: 126
• 1997 - 2008

In the near future, a large portion of humanity is wiped out by a brutal, new virus that hardens the skin while dissolving internal organs. Those who aren’t immune are either severely crippled or allowed to live with cybernetically enhanced bodies. Taking advantage of a world in chaos, a paramilitary force known as the Propater topples the United Nations and seeks world domination. Elia, a young survivor searching for his mother, travels towards the Andes Mountains with an artificially intelligent combat robot. When he encounters a group of anti-Propater freedom fighters, a maelstrom of unique characters unfolds. 

• Vol: 9; Ch: 52
• 2015 - 2019

12 girls are imprisoned in a mysterious prison. Fighting their way through this unjust and abnormal conditions, these girls have begun a life and death struggle. A harrowing little girl prison escape.

• Vol: 7+; Ch: 50+
• 2020 - ?

A passenger plane over the Pacific Ocean crash-lands on a nearby island. It was an island not on the nautical chart, where the native "Shimabitos" lived a barbaric life. Gamou, a young royal family on the island, orders the Shimabitos to attack the aircraft and the survivors! 

• Vol: 2; Ch: 14
• 1996 - 2002

What do you fight for? One takes up arms to survive, another trains oneself for one's own dream, and Kyoko has made herself a bullet for love.

• Vol: 34; Ch: 334
• 1998 - 2015

After sixteen-year-old Ryo Narushima brutally murders his parents, leaving his sister alive, he finds himself at a juvenile facility where numerous horrors await him. Between getting gang raped and tormented at every turn for his crimes, the boy turns to martial arts, taught by the prisoner Kenji Kurotawa, in order to become stronger. Thus begins Ryo’s quest for power, no matter who tries to get in his way.

• Vol: 17+; Ch: 177+
• 2018 - ?

The Yoshinomiya Municipal High School 2nd year students embarked on what they'd hoped was an educational trip with their friends and away from family but it was not meant to be... Their ship was hit by unexpected rough seas and crashed on a strange island! The surviving students are trying to understand what happened but soon they realize they are not alone on this island and the locals don't appear to be very friendly to strangers!!!

• Vol: 1; Ch: 4
• 1990

A seminal work of manga from the mid-1980s, Monster Men Bureiko Lullaby is a Candide-esque tale--if you can picture Candide as a mutated sperm brought to life by radioactivity.