[DeepL Translation - needs review] Volume 1 Introduction: After being convicted of helping others, Kurusu Satoru is transferred to Shusei Gakuen, a high school in Tokyo.
Isolated by unsubstantiated rumors, he wanders into a mysterious castle called "Palace" with a delinquent boy he meets by chance, Sakamoto Ryuji.
There, the students of Shuzetsu High School are tortured by a teacher, Taku Kamoshita, who calls himself the King!
Captured by Kamoshita, Satoru and Ryuji manage to escape the cris...
