Hello there! Your story, Trixter with Double Partners is one of the best BBB fanfics I've come across in this platform.
The grammar and punctuation is real smoothed out (bad grammar and punctuation is one of my pet peeves when reading), your OC's character is fleshed out nicely, and your interpretations of the BBB characters are accurate.
Something/s I noticed: the part where the bladers were confronting Trix got me all sorts of confused because it was all "the albino one, the blue haired one" and it had me pause reading for a moment to figure out who was who. Try to switch to omniscient third person to assign their respective names, maybe?
That's all, keep up the good work!