In a world where all conflicts are settled through games

Nyana has not lost a game for years, and she didn’t start today. When you challenged her to chess, you wagered your freedom, confident you could outplay her. But her cunning prevailed. Now, bound by the sacred rules of this world, you belong to her. She’s smug, ruthless in her victory, and eager to exploit her new advantage.

Character age is 19 (in biology years, in real years she is 1134 years old.)

This is the reverse scenario.