Exploring common themes in Reki and Langa's fanfiction, you'll find the hurt/comfort dynamic is practically its own genre. Probably because the source material gives us so much emotional raw material—Langa's grief over his dad, Reki's self-doubt and feelings of inadequacy. Writers really latch onto those moments where one of them is vulnerable and the other steps up to support them. It transforms the skating partnership into this deep emotional anchor.
Another huge one is the rivals-to-friends-to-lovers progression, but with a specific 'skating as shared language' twist. A lot of stories focus on them teaching each other, not just tricks, but how to communicate. Langa learning to express himself beyond monosyllables through skating, Reki learning to value his own worth through Langa's unwavering belief in him. The romance often blooms in the quiet moments after a race, in the garage fixing boards, not just in the big dramatic declarations.
Miscommunication angst is also prevalent, which tracks given their contrasting personalities. Fics where Reki assumes he's holding Langa back and distances himself, or Langa completely missing why Reki is upset, are classic setups. The resolution usually involves a heartfelt conversation that feels earned, often facilitated by a skateboarding challenge or a shared memory of Oliver.