Alternatively, maybe it's a fan-created series. Sometimes fans create their own Sentai-style shows and upload them to platforms like YouTube. The term "updated" in the topic suggests that there might be a Part 1 followed by a Part 2 with updates. Also, the term "deep guide" means the user wants an in-depth analysis, which could include themes, character development, production notes, etc.
For the characters, each member usually has a specific element or power. For example, in many Sentai series, characters might represent natural elements or concepts in a fantasy setting. Fibery could hint at technology, web-like structures, or fibers. Maybe they have powers related to fiber optics, communication, or something abstract. Need to imagine or speculate if actual info isn't available. bakunyu sentai fiber star part 1 updated
I also need to make sure the language is accessible, avoiding overly technical terms unless necessary. Keep the tone informative yet engaging, recognizing that the audience is likely fans interested in both the official and fan-created content. Alternatively, maybe it's a fan-created series