Nezumi's First Love vol 4 back

Here's the sweet, brutal yakuza love story we've all been waiting for!Keep on Killing. So you can be together.Grievously wounded by the Aihara gang, Ao is in for months of recuperation. But the ordeal is over, Messiah is dead by Nezumi’s hand, and the happy couple is living together in a new home—when suddenly a young woman appears at the door…Their days of peace never seem to last, and now Nezumi and Ao are thrust into a new battle, with uncomfortable truths threatening to reveal themselves—!