You Are the Nemesis I Calculated for Myself (Eunuch)

Everyone in the palace knew that Yao Qiong, a female palace official in charge of ceremony, and Zhang Lexin, the eunuch who oversaw the Armaments Bureau, were always at odds. They were a pair of sworn enemies. Then, all of a sudden, Yao Qiong started finding ways to treat Zhang Lexin well, leaving everyone in the palace dumbfounded. People said she'd gone to pray for a match, learned that Zhang Lexin would be her future partner, and started acting this way because of it. Only Zhang Lexin knew that he'd bribed the fortune-teller to tell her that, just to teach Yao Qiong a lesson and have a laugh at her expense. But later, he fell for her. Scheming eunuch x superstitious palace official. The male lead is a real eunuch. Theme: Your fate is in your own hands