Gekidžóban Mahó šódžo Madoka Magika: Eien no monogatari

The true meaning of being a magical girl! The young girls have discovered the truth... the cruel fate of a magical girl. Madoka's best friend, Sayaka Miki's Soul Gem turns pitch-black as its owner falls into despair and it is transformed into a Grief Seed. Upon seeing this fate, Kyoko tries to save Sayaka, and ends up sacrificing her own life. One magical girl after another is destroyed. Throughout it all, there is one magical girl who continues to fight alone - Homura Akemi. All this time, she has been acting with one goal in mind. "I promise... I'm going to save you, no matter what it takes". Homura renews her vow. And then it happens - a miracle powerful enough to sway the fortunes of the universe. (Manga Home Entertainment)