This picture is a cosplay costume for the game "Gu Jian Qi Tan 3", including male and female versions.
There are ten male costumes, namely Baili Tusu, Ouyang Shaoguang, Qinchuan, Taizi Changqin, Fenji, Tianlai, Zimo, Xia Yizhe, Xie Yi, and Li Ruyan.
And there are seven female costumes, namely Baili Tusu (in white), Ouyang Shaoguang (in white), Qinchuan (in white), Taizi Changqin (in white), Fenji (in white), Tianlai (in white), and Zimo (in white).
These costumes are designed based on the characters in the game, and they are very exquisite.