Blackguard, Volume 4

Minami, what would you do if Miyaji asked you to kill him? A new breed of shojo has invaded Pricketpolis. The city has fallen into chaos, and no one is safe. Some promise their loved ones that they will take their lives if they turn into a monster, while others refuse to. As Minami fights to protect the city, he must make a choice. Will he, or will he not, kill the people dear to him?