Three years have passed since the confrontation with Reika Togo, and with Meta eradicated, the city has begun to recover. Every choice adds to the new era and world, but what does the absence of Arashi, the proverbial missing piece of the puzzle, mean?

Three years after the Meta incident that devastated the city, Tobioka is gradually rebuilding. Under Yuuko's leadership, the nurses of Black Label Mochizuki Hospital are back on duty, administering treatment as only they can! Reika may be MIA, but other threats are at work below the surface, relentlessly pursuing the immortal hope of Mochizuki's research...