During a broadcast of Hallow, Hoshino made multiple illustrations of Allen interacting with the Noah clan to support the actors.

Although Murase only appeared with the Millennium Earl twice in Hallow, his job left a positive impression. Campbell-impressed the manga author, who thought at first Murase was using a machine to change the tone of them. Murase's switching between two personalities-Allen and the Nea D. During recordings of Hallow, Katsura Hoshino was surprised by Ayumue Murase's work, finding him suitable for Allen.

The new series is directed by Yoshiharu Ashino and written by Michiko Yokote, Tatsuto Higuchi and Kenichi Yamashita, featuring character designs by Yosuke Kabashima. The episodes feature a new cast, with Ayumu Murase voicing Allen Walker and Shinnosuke Tachibana voicing Howard Link. The single of Lenny code fiction was released on Augwhile 'Lotus Pain' was released on August 2, 2016. The series's opening theme song is 'Key -bring it on, my Destiny-' by Lenny code fiction, and the ending theme is 'Lotus Pain' by Mashiro Ayano. The music of the anime was composed by Kaoru Wada. In March 2017, the official D.Gray-man Hallow website stated the home media release was cancelled due to 'various circumstances'. However, the home media release of Hallow was delayed in September 2016 to an unknown release date due to unmentioned reasons. In Japan, the episodes were originally meant to be collected in a total of six DVD and Blu-ray volumes. The English adaptation was also released by Funimation, and started on August 3, 2016. On June 23, 2016, Funimation announced that they licensed Hallow and would stream it online. It aired in Japan from July 4, 2016, to September 26, 2016, having a total of 13 episodes. This TV anime series was announced at Shueisha's 2016 Jump Festa event. The plot focuses on Allen's connection with the Noah and his ally, Yu Kanda, who is planned to use by them. The Akuma are created by an ancient sorcerer known as the Millennium Earl, who is allied with the immortal Noah Family. Produced by TMS Entertainment and 8PAN, and directed by Yoshiharu Ashino, it acts as a sequel to the previous D.Gray-man anime series and follows a young Exorcist named Allen Walker from the Black Order which are in charge of destroying weapons, known as Akuma, using objects known as 'Innocence'. D.Gray-man Hallow (stylized as D.Gray-man HALLOW) is an anime series adapted from the Katsura Hoshino's manga, D.Gray-man.

D gray man episode guide