Puella Magi Madoka Magica: Wraith Arc, Vol. 3

Weary of doubting her own memories, Homura succumbs to Wraith Madoka,which consumes Homura's emotions until she slips into a peaceful stupor. Mami and Kyouko worry for their friend, but wraiths don't actually kill humans—or so they thought. Whatever is behind the giant wraith's power has also turned the creature into a deadly threat for the city...and the magical girls tasked with taking it down!

Volume 3 of the Puella Magi Madoka Magica: Wraith Arc manga series by Noboru Akimoto.