86 -- Eighty-Six, Vol. 6 (light novel)

Live to fight. Die with honor. That was all they knew, and they were proud. But as they saw themselves reflected in the Sirins-slaughtered by the thousands with nothing to show for it-a crack formed in their ironclad resolve. Shin's mind festered with doubt. Lena's heart tore at the seams as she struggled to understand him. Would they find common ground over the course of the United Kingdom operation? Or would they drift further apart...?