Fa, alias Fafnir, is a half-human, half-dragon hybrid marked by a distinctive tail, discovered unconscious in a forest by High Priest Satona. With no memories preceding her rescue, her origins remain enigmatic. Employed at a fantasy real estate agency, she exudes cheerfulness and whimsy, acting as an unofficial mascot who mediates communication between humans, beasts, and demi-humans through her innate ability to comprehend all languages. Her immense magical prowess—fiery breath and mana reserves rivaling 100,000 humans—defies mortal comprehension, unsettling a kingdom unaccustomed to such power. Though playful, she shares a sisterly bond with Kotone, a coworker, until her life intertwines with violent dragon attacks plaguing nearby villages. Suspicion falsely brands Fa as the culprit, but inquiries expose her ties to a marauding red dragon instead. A deeper truth emerges: Fa is the daughter of the Demon Lord, a white dragon, adopted by Satona under a vow to foster her kindness. This lineage explains her universal linguistic skill, inherited from her father. Manipulated by an unknown force, she unwillingly transforms into a dragon during a clash, resulting in Kotone’s accidental death. The latter’s necromantic revival mends their fractured bond. Her journey culminates in relocating to a tropical island with her companions to oversee a dormant dragon, honoring Kotone’s desire for their group to remain united. Transitioning from comic relief to a pivotal peacemaker, Fa’s story underscores empathy and dialogue as tools to transcend conflict.