Momoka Yuragi is Chief of the General Student Council's Transportation Office in Kivotos, holding executive responsibility for managing the city's operation schedules—a duty she consistently avoids. She assigns tasks primarily through Fugitive Warrants and Special Requests issued to Sensei.

Characterized by laziness and apathy toward responsibilities, she memorizes ventilation system layouts for quick escapes and prioritizes snack breaks, especially for her favorite spicy cod roe potato chips. She openly disregards criticism unless confronted by authority figures like Nanagami Rin or Oki Aoi. Despite habitual avoidance, she demonstrates competence during critical events like Kivotos-wide communication failures or the Sanctum Tower collapse, aiding crisis management alongside council members.

Physically, she has short pink hair in side twintails, mint green eyes, tiny black horns with mint green tips, and a long demon tail ending in a pink spade. Her halo features five interconnected mint green stars with pink outlines. Her attire includes a white sleeveless uniform with golden buttons, dark blue tie, a white leather jacket showcasing starry-patterned night-blue lining, a knee bandage, thick white knee-high socks, and white slip-on sports shoes.

In "beautiful day dreamer," she abandons her role as baseball commentator alongside Rin Nanagami to visit a convenience store for snacks. Her recurring avoidance phrase is: "My lunch delivery has arrived, so I'll contact you again!"

Her background includes authoring Kivotos' operation schedules, which she leverages to retain her position when threatened with dismissal. She maintains consistently cheeky attitudes toward superiors regardless of leadership changes, showing no fear of termination. Relationships center on her irreverent dynamic with Nanagami Rin despite their senior-junior connection, and her routine delegation of tasks to Sensei and other students.