Juujika no Rokunin (十字架のろくにん) is a gripping and intense psychological thriller manga written and illustrated by Nakatake Shiryuu. The series delves into dark themes of revenge, trauma, and the complexities of human emotions. Here’s a brief synopsis:

Synopsis:
Uruma Shun is a middle school student who suffers from relentless and cruel bullying at the hands of his classmates, led by a sadistic ringleader. The torment escalates to horrific levels, deeply scarring Shun both physically and emotionally. Shun’s family becomes entangled in the chaos, leading to devastating consequences.

When society fails to deliver justice, Shun turns to his grandfather, a war veteran with a dark and unyielding outlook on survival. Under his guidance, Shun transforms into a cold and calculating individual bent on revenge. The manga chronicles his harrowing journey as he methodically seeks vengeance against each of his tormentors, confronting the moral and ethical dilemmas of justice versus vengeance.

The manga stands out for its gritty storytelling, intense emotional depth, and exploration of the human psyche, making it a compelling yet dark read. It’s recommended for mature audiences due to its graphic and psychological content.