Miria Akagi is an 11-year-old ginger-haired idol from Tokyo with vibrant orange eyes, standing 140 cm tall and celebrating her birthday on April 14. Her gold-themed persona radiates cheerful energy and unshakable positivity, driven by boundless curiosity about the world. She thrives on conversation and spontaneous interactions, occasionally revealing a playful distractibility that never dims her dedication to goals. This spirited nature leads her to affectionately call her Producer "cute" during his sillier moments, flipping traditional idol-producer dynamics.

Growing up in a small town, she crafted homemade costumes for early performances for family and friends, persisting through setbacks with unwavering self-confidence to achieve her idol dreams. Her love for cats frequently inspires cat-ear accessories, and she eagerly anticipates post-debut fan handshake events. At home, she has a baby sister.

Miria collaborates across multiple units: L.M.B.G. with Arisu Tachibana, Nina Ichihara, and Momoka Sakurai; Caper Parade alongside Hiromi Seki, Yumi Aiba, Frederica Miyamoto, and Momoka Sakurai; and Decoration with Kirari Moroboshi and Rika Jougasaki. She contributes castanets to Mobamas and trumpet to Deresute for Little Marching Band Girls. Fellow idols like Uzuki Shimamura and Mika Jougasaki frequently praise her captivating cuteness.

As a member of the elementary-focused Third Entertainment Division, she works with Arisu Tachibana, Chie Sasaki, and Nina Ichihara under a new Producer. Her sociability and enthusiasm shine here, while her dream of fan meet-and-greets fuels every performance.