By Gouten Hamada and Takeshi Seshimo

As Shimazaki continues writing letters to Sata in an attempt to coax the traumatized young man to open up to him, he also treads further down the path of his own memories, recollecting his complicated return to Japan after 30 years as a covert operative for the LEL. Meanwhile, the discovery of a leak causes a rift between the colony and Public Safety that could put everyone at risk…!