In the near future, most of mankind now lives in a handful of city states. There, for the privileged elite, life should be perfect. But for young Sion, life has become a nightmare since letting a strange boy spend the night in his apartment. Banished to the outskirts of the city, Sion now finds himself in worse danger as his inquiry into a new series of mysterious deaths results in his being arrested on suspicion of murder! Now, on the run, the two young men have only one chance at survival.
Seasons & Episode
While living in the idyllic No. 6, Sion has a fateful encounter with the wanted fugitive, Nezumi.
Safu has returned to No. 6 because of her grandmothers’ death. While back, she learns of what has happened to Sion. At the same time, Sion and Rat continue their discussion over the future of No. 6 and the parasite bees.
The plan to rescue Safu is going as expected. But the further Sion and Rat go inside the facility, Sion’s attitude changes dramatically.
Sion and Rat have overcome many difficulties to reach Safu. But once they learn that Safu has merged with Elyurias, Sion becomes enraged. Meanwhile, the people gathered to celebrate the Holy Day have been attacked by a large number of parasite bees. Will No. 6 survive? And what will be the fate of Sion and Rat?