This special was proposed by Ayumi Kinoshita to the Toei Tokusatsu Fan Club as a means of showcasing different aspects of a hero's life. Aside from these three heroines, also appearing in this special is Hideya Tawada, who previously played Shuriken Sentai Ninninger's Kinji Takigawa/StarNinger and will also feature narration by Yasuhiro Takato, who played various monsters in the Super Sentai Series.
[Source: Cinema via Tokusatsu Network]