Nanachi shows Reg the truth about the Abyss. Meanwhile, Riko is still recovering from her injuries when she has a strange dream.

An old man speaks of a golden city that lies within a devouring abyss somewhere in uncharted waters. One explorer may be the key to finding both.

Faputa can help Reg save Nanachi, but everything has a price. In exchange, Reg must help her enter the village.