Kiriko, a fairy-like creature summoned from a minion jar, stands approximately 20 centimeters tall with pink pigtails, blue eyes, and a typical black dress. She mediates supernatural contracts between underworld envoys and magical law practitioners, facilitating negotiations and agreements. Despite her role, Kiriko exhibits a strong aversion to labor and obedience, frequently skipping work or fleeing duties. She particularly resists returning to the underworld, preferring to avoid her home whenever possible.

Personality-wise, she enjoys soft textures and engaging in conversations, especially about romantic relationships. Kiriko easily fixates on attractive men, aligning with her interest in such topics. Her skills include evading responsibilities and swiftly identifying handsome individuals, though she struggles with tasks involving hard objects or following commands.