Shíqīsuì de Yíshū

When a tragic car accident claims the life of his seventeen-year-old brother, a grieving older sibling visits the boy's school to collect his personal belongings. What begins as a somber errand quickly spirals into a nightmare when he becomes trapped inside a classroom by a terrifying supernatural entity. Bound by the sinister rules imposed upon him by this otherworldly force, he is thrust into a harrowing struggle for survival where every choice carries deadly weight. To escape the entity's grasp, he must piece together hidden clues scattered throughout the school. As he delves deeper into this macabre puzzle, dark and painful truths begin to surface. He uncovers the relentless bullying his younger brother endured at the hands of his classmates—torment that was kept entirely hidden from their family. Yet, the most devastating revelation lies closer to home. Through the horrifying trials forced upon him, he slowly realizes his own role in his brother's suffering, confronting the agonizing truth that his actions contributed to the tragedy that ultimately claimed the young man's life.