go to crunchy roll and there is 2 episode of a side story also if want ticket crunchy roll has link called anime movie night the anime series is a collection of side story that is not in the manga
It was the first 3 episodes of the anime that is coming out later this year. The episodes followed the storyline of the manga. Part of Crunchyroll's original movie, Children of Ether, was shown before Ancient Magus Bride.