Madoka, whose full name is Madoka Shinonogi, is a character from the light novel, manga, and anime series The World's Strongest Rearguard - Labyrinth Country's Novice Seeker. She operates a merchant stall located just outside the labyrinths in District 8, where she sells goods to adventurers known as Seekers.

Madoka is characterized by a strong emotional connection to her family. She deeply misses her mother, father, and grandparents, and the thought of them can bring her to the brink of tears, indicating a sentimental and family-oriented personality. In the story, she is a merchant who comes into contact with the protagonist, Arihito Atobe, and his party. As a merchant, her role is primarily a supportive one, providing supplies and services to the main characters as they prepare for their labyrinth explorations. Her background and personal motivations are closely tied to her family and her life as a shopkeeper in the labyrinth city.

Madoka is one of several female characters who are drawn to Arihito, in part due to his unique job class as a rearguard, which naturally increases the affection of his companions. While she is not initially a member of his main adventuring party, she becomes part of his growing circle of allies and potential party members. The series features a large cast of female characters who support Arihito, and Madoka is among those who develop a bond with him.

For her role in the upcoming anime adaptation, the character of Madoka is voiced by Kanon Takao. Information regarding her specific notable abilities, detailed personality development over the course of the series, or key relationships beyond her connection to Arihito and her family is not available in the provided search results.