The protagonist isn’t a camera. Remember that when you write your protagonist.
I see this problem a lot in fangans where the protagonist barely feels like an actual character and instead just exists to observe the “more interesting” cast members, and by more interesting I really mean the author’s favorites.
Your protagonist should have opinions, flaws, insecurities, emotional reactions, and moments where they’re WRONG. They shouldn’t just stand there narrating events while perfectly solving every case and emotionally supporting everyone else like some kind of therapy robot.
And for the love of GOD, stop turning the protagonist into the author’s personal thirst narrator every time a female character appears. If a character walks into a room wearing a bikini, I do NOT need an entire paragraph describing her body in microscopic detail unless that level of attention actually says something about the protagonist as a character. You can genuinely just say “She was wearing a white bikini” AND NOBODY WILL CARE.
Oh yeah, and a bit unrelated, please stop making half the cast immediately start simping the moment a girl exists. Attraction is one thing, but sometimes it feels less like characters reacting naturally and more like the author pausing the story to remind me who they think is hot. THEY ARE USUALLY TEENAGERS!
At that point, the protagonist stops feeling like a believable character and starts feeling like a camera being controlled directly by the writer.
The protagonist also cannot control the story just because they’re the POV character. Other characters should argue with them, distrust them, draw blades in Rebuttal Showdowns, or even outperform them sometimes. A protagonist who’s always correct and universally respected stops feeling human really fast.
If your protagonist can be replaced with a floating camera or Makoto Naegi and almost nothing changes, there’s probably a problem.