"Canglan Star" tells the story of the heroine who is a grassroots member of the Canglan Guards. She is born with the ability to resonate weakly with water marrow crystals. She has a tough and courageous personality and values friendship. The former was looked down upon because of her mediocre qualifications. Later, she awakened the power of water control and was determined to protect her shortcomings.
The male protagonist is a former core member of the Dark Crow organization. He has mental powers. Due to the sequelae of his early experiments downstairs, he often suffers from headaches and is in a trance.