The relationship evolves from caretaker/savior to romantic interests as they age. Magic & Politics:
Readers enjoy the "strong female lead" who protects the "vulnerable male lead." Obsessive Tropes: -Doujindesu.TV--Bought-By-The-Demon-Lord-Before...
The female lead is reincarnated into a novel she once read. She knows the young, mistreated boy she encounters is destined to become a world-destroying Demon Lord. The "Feature" (Plot Hook): -Doujindesu.TV--Bought-By-The-Demon-Lord-Before...