[DeepL Translation - needs review] Introduction to Volume 1: High school student Taisuke Kanou lives with his older sister Yoko, who acts as a surrogate for his parents. He saves his best friend Yuichi Hirose from being bullied, and fights constantly with his childhood friend Megumi Ochiai. Their peaceful days begin to crumble without a sound, triggered by the "Week of Nightmares," a worldwide mass suicide spree that suddenly erupts! Four people were brutally murdered on the school roof. Is ...
