Main Girls:
Ning Tian
Snow Empress
Ling Qiuxi (Three Eyed Golden Lion)
Ye Guyi
Han Ruoruo
Ma Xiaotao
Dugu Lin
Wu Feng
Meng Hongchen (Hookup / Relationship confirmed in Extra Chapters)
...
Xu Jiujiu (Confirmed in Extra Chapters)
Gu Yuena (Confirmed in Extra Chapters)
...
Maid Squad & Others:
Li Ya (Maid)
Li Jing (Maid)
Na Na (Maid)
Nan Qiuqiu (Maid)
Ling Luochen (???)
Zi Ji (???)
Note: There might be some small adjustments to the list if I realize I've missed something. I'll also be adding images for each character as I find ones that fit them well.