New Trailer of Ryusoulger's Special Movie - "Kishiryu Sentai Ryusoulger Special: Memory of Soulmates" which depicts the untold story of Nada has been dropped on Toei's Official YouTube channel. The story of this movie takes place between Episode 32 & 33.

Trailer Highlights
Nada calls up Bamba to tell him something.
Maiko played by Kanon Miyahara attacking Ryusoulger. He attacks gives out dark aura.
Kleon with Wiserue saying he had created an amazing Minasaurs while referring to Maiko.
Kou and others seems to have lost their ability to transform as he is heard saying "Even if we can't Ryusoul Change, we won't let you have it your way"
Nada had left a message for Ryusoulgers.
The catchphrase of the movie is "Nada's Untold Chivalry.".