The Legend of Hero Alain is a special Blu-Ray miniseries of Kamen Rider Ghost. First episode was released as part of the Kamen Rider Ghost Blu-ray Collection 1 on April 13, 2016. The miniseries contains four episodes.
Alain / Kamen Rider Necrom
Takeru Tenkuji / Kamen Rider Ghost
Makoto Fukami / Kamen Rider Specter
Chikara Saionji / Mysterious Man