The site explains that especially the animation quality of its 6th episode (3rd volume), 7th episode (4th volume), and 9th episode (5th volume) need extensive modifications.
The official Japanese website for the TV anime Maerchen Maedchen announced today on May 23 that its postponed 11th and 12th episodes are now set to be released in December 2018.
The anime’s last two episodes were originally scheduled to be aired on March 22 and 29, respectively.