Movie
Description
Ako Udagawa, a petite second-year student at Haneoka Girls' High School standing 148 cm tall, commands attention with long lilac hair styled in curled pigtails and straightened bangs, crimson red eyes, and a frequently visible fanged tooth. Her distinct fashion merges punk and gothic elements with a cute aesthetic.

Personality-wise, Ako exhibits chuunibyou tendencies, often immersing herself in grandiose delusions and personas inspired by magical powers or dark fantasy themes—a trait her best friend Rinko Shirokane links to her avid online gaming. She maintains a cheerful, energetic demeanor, though her self-created personas occasionally cause verbal stumbles. Insecurities about her drumming skills surface frequently, driving her desire to appear "cooler" and sometimes leaving her feeling inadequate compared to bandmates. Despite this, she demonstrates dedicated practice and gradually builds confidence through her band experiences. Her interests encompass horror stories, haunted houses, fireworks, and playing Neo Fantasy Online, where she mains the Necromancer class. She dislikes eggs and peppers but enjoys potato chips and jelly beans.

Ako's background reveals deep admiration for her older sister, Tomoe Udagawa, a drummer in another band, which inspired her own musical pursuit—though she acknowledges difficulty reading sheet music. She shares a close bond with Rinko, whom she met through Neo Fantasy Online and affectionately calls "Rin-rin"; their interactions feature physical closeness and collaborative gaming. She idolizes Roselia's vocalist Yukina Minato, reacting with visible excitement to her praise. Academically, she faces challenges. Her family name, Udagawa, signifies "whole world," "field," and "river."

Her character development shows evolution from initial self-doubt toward greater assurance in drumming and personal identity. Bandmates like Yukina and Sayo Hikawa, who initially dismissed her chuunibyou expressions, gradually accept this aspect, with Sayo eventually joining her in Neo Fantasy Online. Relationships deepen through shared band activities, and she grows more comfortable contributing ideas to Roselia despite occasional hesitations. Her journey balances maintaining imaginative personas with grounding herself in band dynamics.

Physical contrasts with Tomoe are noted: Ako is Roselia's shortest member while Tomoe is the tallest in her band; Ako's eyes are taller than wide, opposite to Tomoe's; her cool-toned hair contrasts with Tomoe's warm tones. Ako naturally has curly hair requiring significant maintenance. Additional trivia includes her swimming proficiency and a cameo design based on Beatrice in a Re:Zero collaboration event.