Short specials uploaded to the official Twitter of the anime Machikado Mazoku and later bundled with the BD/DVD.

Soka city's 60th anniversary commemorative animation. Souta was born in Soka but has worked and lived in Tokyo until recently. He's engaged to Miki and decides to return to Soka to look for a new home where the two will live together. While house hunting, he encounters a mysterious bird and begins to chase after it. He then meets a woman named Akiko who time-slipped to the future. Souta shows her around the city and she reflects on how much has changed and her future as she too is engaged.

A short web recap of the Devilman: Crybaby series, posted on Aniplex's official YouTube channel.

Incorporating the earlier two parts and adding additional footage as an epilogue, Keifuku-san features the adventures of a young girl in a railway conductor uniform and a floating manta ray as they explore an otherworldly space. The video features direction by Tatsuki, animation by Hirayasu, and art by Yukko (all members of animation studio irodori), as well as the voice talents of Yumiri Hanamori.