Historical smut bl preferably Chinese but korean are good too

Hmmm....
Manhua
https://www.mangago.zone/read-manga/i_became_the_emperor_s_hated_male_concubine/
https://www.mangago.zone/read-manga/thus_it_is_said/
https://www.mangago.zone/read-manga/my_deadly_enemy_the_serpent_lord_and_i_are_faking_a_romance/

Manhwa
https://www.mangago.zone/read-manga/two_souls_1/

Sorry, the 1st one is a manhwaa.

Thanks