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Anime cancelled after its 4th episode 1st broadcast. Official reason: the quality of the show was not as good as they expected.

Blu-ray and DVD releases are delayed by a month (so, the next episodes will be released only in BD/DVD format?).
Seems to be more a fact that they failed to keep up with the release schedule, it's not the first time this studio have failed this. It will re-air next session starting from episode one again.