Honestly, I've been scrolling through this ship's tag for ages, and the genre spread is weirdly specific. It's not like a lot of other pairings where you get a balanced buffet. For bee x loona fics, the landscape is overwhelmingly dominated by fluffy, domestic slice-of-life and hurt/comfort. I think it's because the dynamic—often seen as the stoic, maybe socially awkward bee and the more chaotic, expressive loona—just begs for scenarios where they're forced into close quarters. You know, 'there's only one bed' but make it a hive or a moonlit balcony.
I've noticed the fluff pieces frequently involve them navigating human customs together or bee teaching loona about hive etiquette, which is adorable. The hurt/comfort tends to split: either bee is injured protecting the hive and loona has to step up, or loona is dealing with some lunar-cycle-induced fragility and bee becomes their unexpected rock. What's almost missing entirely? Hardcore action or high-stakes adventure. I've seen maybe two that attempted a 'saving the realm' plot, and the comments were full of people just skimming to the quiet moments in between battles. The audience for this ship clearly craves intimacy over epic scale, which says a lot about what draws people to the pairing in the first place.
A niche sub-genre I've stumbled on a few times is 'co-dependent roommates with magical bindings'—like a spell forces them to share a life force or something. They're usually short, angsty, and end with a soft confession. It's a very particular flavor, but when you find a good one, it hits perfectly. The genres aren't surprising when you think about it; they're just the logical containers for the quiet, building tension everyone seems to want to read about.