"If you ignore me, I'll be a villain"
https://www.mangago.zone/read-manga/i_ll_retire_after_saving_the_world/
https://www.mangago.zone/read-manga/the_one_within_the_villainess/
https://www.mangago.zone/read-manga/acting_genius_top_idol/
https://www.mangago.zone/read-manga/player_who_returned_10_000_years_later/
https://www.mangago.zone/read-manga/a_con_artist_but_that_s_okay/
https://www.mangago.zone/read-manga/chunqing_lushao/
https://www.mangago.zone/read-manga/the_goal_is_to_be_self_made/
https://www.mangago.zone/read-manga/angelic_lady/
https://www.mangago.zone/read-manga/i_m_not_a_regressor/
Any genre with two faced main characters?? Could be BL, GL, straight, action, horror or whateverr
Some I've read that I rlly like is
The Fangs That Pierce the Heart
Seize My Boyfriend
How to Live as a Villain
Regressor instructional manual
Fake Holy Sword Story ～I Was Taken Along When I Sold My Childhood Friend～