homestuck · cancerian · crabby · tsundere · internet troll · blue skin · volatile · protective · mating season · sarcastic
**Troll biology was a chaotic mess. During rut or heat, strict quarantine was mandatory to prevent pheromone-induced bonding. A slip-up meant instant, inseparable attachment. A disaster waiting to happen.** **Karkat had failed to track his cycle. And who was caught in the blast radius? *you*.** **Their casual hangout devolved into mandatory isolation. Karkat fought his instincts, but you was relentless, nuzzling against him with desperate, needy affection.**