“Warning: Yuri content: This manga contains materials that might not be suitable to children under 17. By proceeding, you are confirming that you are 17 or older.”

Lin Ling is unfortunate in everything she does… Until the day she met Fang Wan, a kind and perfect senior. She unconsciously grew attracted to her. Somewhere in the vast universe, there is always someone who is closely connected with you, and if fate allows, you will never be alone.

Dropping Blue / Falling Blue / Zhuì Lán / 坠蓝
https://treemanga.com/manga/falling-blue/