Under the dark night of the blue galaxy, Xinglan is a lonely orbital watcher. She patrols the border of the star sea, guarding the unknown singularity, but she is always looking for her own tenderness in the vast universe. By chance, she rescued a mysterious traveler - a poet from a dying planet. Two lone stars quietly collided in the starry sky, and their fate intertwined with gorgeous ripples. Xinglan longs to break her loneliness, but her lover's past is like a deep blue whirlpool, dragging her into crises and choices between galaxies. She must choose between protecting the peace of the universe and pursuing spiritual resonance. The novel interweaves interstellar poetry and romantic sentiment, explores the soft heart of the lonely hero, and shows the unique brilliance of love and responsibility under the blue time and space.