How can one describe a number that feels both familiar and alien? Countless times when Xu Lan Yi felt helpless, she wanted to call Xu Qing Qing. She had flipped through this number so many times that it was etched in her memory. Yet, she knew she shouldn't disturb her sister's life. Thus, the number remained in her heart, never surfacing like this before.
Xu Lan Yi would never forget that it was Xu Qing Qing who helped her in a moment of crisis. Although Xu Qing Qing seemed to have no particular affection for her, the warmth she felt that day was something Xu Lan Yi would always remember. But knowing her sister didn't want any entanglements with her, she didn't dwell on it.
To her surprise, Xu Qing Qing called her at this very moment. Her number had always been out of service, and as soo
