Kangoku Jikken - Recommendations

• Vol: 7; Ch: 25
• 2013 - 2016

Fujisawa Ayana was horribly bullied at school. At first, she tried to defend herself, but she soon learned to just stay quiet and wait for the pain to end. However, the bullying escalated one day, when someone pushed her into traffic. At the hospital, as she recovered, she suddenly realized that even if she didn't fight back, her classmates were probably going to eventually kill her. From this realization, she soon decided that the only path left was for her to take revenge. Her new plan included the students who bullied her, those who stood aside and laughed, and those who did nothing to make it stop. She began gathering notes on her classmates, planning exactly what she could do to make each of their lives collapse. While some of the students really seemed to deserve their fate, her plan also included classmates that she used to count as close friends...

• Vol: 4; Ch: 19
• 2017 - 2018

One day, high school student Shunsuke Ohta comes across a man that looks exactly like himself, who commits suicide at a train station. The next day, Shunsuke is abducted on his way home from school. When Shunsuke wakes up after that, he finds himself inside of a cage. There, various torturers gather and compete to see who can make their target confess their secrets the fastest in the "Torture Tournament." Shunsuke's battle as the "White Prince" against the "Black Moon" begins!

• Vol: 3; Ch: 21
• 2019 - 2021

A girl who is bullied at school and abused at home goes to a shrine to commit suicide. She’s cursed by a crow with immortality so she decides to get revenge on everyone.

• Vol: 1; Ch: 5
• 2014

A small group of adults have been invited to a reunion at their old highschool to remember the loss of their classmate Kiriko, after receiving a letter "From K." Not knowing who "K" is, Ryosuke, a young man with short black hair that used to know Kiriko, has to uncover the truth of Kiriko's mysterious death. As he slowly regains his memories as his fellow classmates start suddenly dying around him in the most horrific manner, he realises that it's far too late to say sorry.

• Vol: 3; Ch: 12
• 2017 - 2018

Three years ago, a high school boy who had been the subject of relentless bullying carried out a suicide bombing that killed all but seven of his classmates. Now the survivors have gathered to finally put an end to their own torment.

• Vol: 1; Ch: 8
• 2014

One day, Matsui Sakura receives an invitation to a "Revenge Game," and decides to attend. At the location indicated, she ends up locked in a dorm-like building with four of her classmates. It appears that the Revenge Game is being run by a wealthy classmate, Saionji, who was bullied so badly by some of the students that it ruined his life. Now he is taking his revenge, in a brutal game that allows him to have one of his former tormentors killed each morning. 

• Vol: 6; Ch: 30
• 2013 - 2016

The King's orders are absolute. Fail to obey, and you will be punished." 30 years ago in the remote Yonaki Village, a black envelope is delivered to a single villager. The command inside threatens to draw the entire population into a terrible tragedy! 

• Vol: 1; Ch: 11
• 2000 - 2003

Yumetsugu is a college student whose part-time job is taking people's nightmares away for a fee.

• Vol: 3+; Ch: 32+
• 2023 - ?

• Vol: 2+; Ch: 23+
• 2023 - ?

The Nagare family had a happy home with three parents and three children. However, their son Kiritaka was secretly bullied at school. Then, an incident occurs, and the mother Mari's love for her son goes out of control.