Takizawa, Saki, and Micchon pay a visit to Panties, a reclusive geek who might have the skills to repair Kondo's phone. Across town, Osugi doesn't like what he finds after looking into Takizawa's identity.

After years on the fringe of society, Panties finds himself in the middle of a conspiracy when he successfully hacks into Kondo's phone and learns the truth behind Careless Monday.

As missiles fill the skies above Japan once more, Takizawa must rush to prevent a catastrophe far greater than Careless Monday. He has the resources - but does he have enough time?