
Overcome by guilt after regaining consciousness, the bus driver attempts suicide in front of Onizuka, while the identity of the missing twelfth passenger remains a mystery. Using his precise memory of the area and its residents, Onizuka deduces that the true culprit is linked to a group of unfairly dismissed former employees from the bus company. Keitaro and his team launch a targeted investigation into these workers, racing to uncover a deeply tragic truth.