It's Night Raid versus the Jaegers in Volume 5 of the hit dark fantasy Akame ga KILL!
When the Jaegers' Dr. Stylish attacks the Night Raid base, Tatsumi and the others are forced out of their hideout to escape the deadly assassin! Pursued by Dr. Stylish's army of experimental soldiers, Night Raid must defeat the mad scientist or risk being made his next test subjects!