Aiko has always felt out of place on Earth, her gaze drawn to the stars as if something far away is calling her name. One day, a near-fatal accident is narrowly avoided when prince Akihiko of the distant planet Akarihoshi suddenly teleports her to his world.

She awakens on surreal planet , but slowly she begins to adapt, forming bonds with Akihiko, his youngher brother Ren, Mika and Naoru.

As Aiko grows closer to Akihiko, an unspoken connection draws them together. He struggles with his duty, while she still feels tethered to Earth. A mysterious power hums within her, when it finally awakens, it hints that princess Soraya of the fallen planet Mizuhana may still be alive, attracting the attention of the dark prince Kaelrith.

Amid battles, secrets, and danger across worlds, Aiko must embrace her hidden potential, and Akihiko must confront his growing feelings. Together, their bond begins to transcend worlds, and a love that could illuminate the universe begins to bloom.