Suzu is a 17-year-old high school student living in rural Kochi who has kept the world at arm's length ever since her mother's death many years ago. But at a friend's suggestion, she dips her toes into , a vast virtual world on the internet and starts going by Belle. As she explores this new world in her online avatar, Suzu reveals her hidden singing talent and becomes a sensation the world over, drawing the attention of a mysterious being called the Dragon. Who is this ferocious yet lonely stranger and what will come of their fateful meeting...?