The Flower of Aloshya
https://www.mangago.me/read-manga/alosha_s_flower/
(Btw i also need recos so ima follow this)
Why are you so kind to everyone except me?
Summer season (he's a little crazy)
Ibara no Naka no Hana
It's Mine
Firefly marriage
https://www.mangago.me/read-manga/hotaru_no_yomeiri/
If you fine with deranged BG that are mostly no plot just smut then try Umekoppe's works like:
https://www.mangago.me/read-manga/yandere_ouji_ga_shachiku_onna_no_watashi_o_hanasanai/
https://www.mangago.me/read-manga/if_you_are_reincarnated_as_the_villain_mob_s_daughter_you_will_be_favored_by_the_strongest_prince_who_is_not_captured/
I'm fine with manga and manhwa. Please recommend those with yandere male leads. The crazier, the better. I read BL and BG.