Milly is a female player in the virtual reality game One More Free Life Online who meets the protagonist, Earth, on his very first day. She is a member of the Blue Collar guild and plays as a magician. Her speech is laid‑back and casual, a manner she appears to have adopted from her real‑world work. With long blue hair and blue eyes, Milly presents a gentle, big‑sisterly charm that makes her an approachable and early companion to Earth. Beneath this warm exterior lies a hidden role: she is one of six wealthy backers who helped fund the game’s development, giving her a personal stake in the world she explores. As a magician, her combat role focuses on spellcasting, though the specifics of her abilities are not extensively detailed. Within the story, she serves as a supportive ally and a bridge between the guild and the protagonist, contributing to party dynamics through her easygoing personality and insider knowledge of the game’s inner workings. Her development remains largely stable, as she is already an established player by the time Earth joins, and her secret as a backer adds a layer of quiet influence rather than dramatic personal change.