11 parts Ongoing Kodoku na Uchū no Kodomo (A Lonely Child of Space) follows the story of a genius girl who embarks on a solitary journey from our small blue planet into the vast, ever-expanding reaches of space. Shy and introverted, she avoids socializing with others, finding comfort in her own company. Despite her loneliness, she is a perfect child, capable of mastering anything within human ability.
Since childhood, she has always dreamed of exploring every inch of the cosmos. Driven by this dream, she dedicates herself to studying the stars and the mysteries of the universe. As she grows older, her determination only strengthens, and she ultimately decides to leave Earth behind in pursuit of her dream.
Her journey is not just one of exploration but also of self-discovery, as she confronts the vastness of space and the loneliness that comes with it. Along the way, she encounters the unknown, faces challenges that test her abilities, and slowly begins to understand the value of connection, even in the solitude of the stars.