How Many Years Have Passed

Clumsy blurb: Ever since she met him, she willingly trained herself into a little fox, quietly following him wherever he went. She thought she'd hidden it well, and never planned to get any closer, just secretly tailing him for years. Who knew he'd long since claimed her as his own, taking her out for a walk when he had time and otherwise letting her roam free >_<

Main characters: Yan Chengqi, He Ye