Suginami Toubatsu Koumuin: Dungeon Kinmu No Hitobito

Vol.4 Chapter 31.5: Side Stories #4
Vol.4 Chapter 31: Voice
Vol.4 Chapter 32: Monster
Vol.4 Chapter 31: Voice
Vol.4 Chapter 32: Monster
A Japan where monster-filled other worlds - dungeons - are simply normal. Public servants known as the "Capture Division" are in charge of dealing with them! Yuunagi Yuuma, a newbie eliminator who longs to be a hero, pairs up with his dispassionate yet surprisingly caring senpai Yonaga- and heads out to his 9-to-5 job subjugating other worlds!