Rozen Maiden Vol 8

Jun Sakurada is a reclusive middle school student that's found himself master to several Rozen Maidens - mysterious living dolls that are in a battle for survival. Jun has finally started coming out of his shell and is almost ready to go back to school, but as a result, he has turned a blind eye to those who need him most. Meanwhile, the battle for the Rozen Maiden reaches a new high as they cross their youngest sister, the seventh doll Kirakisho. Kirakisho catches Shinku in her deadly web, and only Jun has the ability to save her! Will he do what must be done? Everything comes to a close in this final volume of Rozen Maiden!

Source: Anime News Network Encyclopedia