September 16, 2030 - 6:19 AM. At "LABO", a giant scientific research facility built by a lake on the outskirts of "Rokumei City", an "incident" occurs...! And thus, nine souls are trapped in LABO's basement.
A world where death eats away at every passing moment. The way out, shut. Frequent inexplicable phenomena. Countless mysteries. And... a bizarre murder that occurred right in that closed space. There are two routes out of this extreme situation:
An amnesiac rescue squad captain in LABO- Watase Kasasagi. A nine hour escape drama unfolds from his viewpoint.
A high school student trapped in LABO- Natsuhiko Tenkawa. A journey into his memories of the six days leading up to the incident starts from his viewpoint.
When two intentions and two sets of memories overlap... all will be revealed. In the end, is there a route for all nine to escape with their lives?
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