If you loved Zyuden Sentai Kyoryuger the Movie: Gaburincho of Music, try Kamen Rider W Returns: Kamen Rider Eternal
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Zyuden Sentai Kyoryuger the Movie: Gaburincho of Music
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Kamen Rider W Returns: Kamen Rider Eternal
What they share
Both films are directed by Koichi Sakamoto, and they both carry the playful mood tag, and they sit in Action / Adventure / Science Fiction territory. If that's the register that drew you to Zyuden Sentai Kyoryuger the Movie: Gaburincho of Music, the second film will land in a comparable space — through a different lens.
playful
What Kamen Rider W Returns: Kamen Rider Eternal is
You investigate a series of events and then a mysterious woman reveals a complex backstory but the director leaves it open to interpretation.