One of the strongest currents in Soma and Megumi-centric stories is the academic rivals-to-lovers framework, but it's a very specific flavor of rivalry. It's rarely the cutthroat, glory-seeking kind. Instead, you see a ton focused on the intense, quiet pressure of the Tōtsuki curriculum, where their rivalry is built on mutual respect and a shared, desperate drive to simply not be left behind. Megumi's initial lack of confidence and Soma’s unorthodox methods create this beautiful dynamic where they become each other’s secret study partners, pushing and teaching the other in ways the elite students wouldn't understand. The common scene is them in a deserted kitchen after hours, not for a shokugeki, but to perfect a technique for an upcoming exam, and that's where the emotional intimacy creeps in.
Another massive trope is the 'bedside vigil' or recovery arc, often following a high-stakes competition where one of them collapses from exhaustion. It plays directly into Megumi's nurturing side and Soma's stubbornness. These fics explore the vulnerability Soma never shows anyone else, with Megumi being the only person he'd allow to see him so worn down. Conversely, there are also plenty where Megumi gets sick or overwhelmed, and Soma, in his straightforward way, takes over caring for her—not with grand romantic gestures, but by making her the most comforting, simple dish he can think of, which somehow becomes more meaningful than any elaborate creation.
A subtler but pervasive theme is the 'found family' within Polar Star Dormitory acting as a perpetual wingman. The other residents are constantly, and often clumsily, trying to shove the two of them together, locking them in pantries or 'accidentally' making them share tasks. This allows for a lot of humorous, awkward moments that feel true to the source material's tone. The romance usually blooms through these accumulated, mundane shared experiences—doing laundry together, tending the dorm's garden, dealing with a Zenji mischief—rather than one big dramatic confession. It’s a slow, comfortable burn built on the solid foundation of their canon friendship, which is probably why I gravitate toward these stories more than the more outwardly dramatic AUs.