Straight Manga where ml is cold to everyone except the female lead. Something like: https...

I havent read that one but I think this ones suit what u said
https://www.mangago.zone/read-manga/i_became_the_wife_of_the_monstrous_crown_prince/
https://www.mangago.zone/read-manga/love_your_enemies/
https://www.mangago.zone/read-manga/the_newly_wed_life_of_a_witch_and_a_dragon/ (this one maybe u will not understand why I put it here until you read the background story of the ml)

this two have smut (+18)
https://www.mangago.zone/read-manga/your_majesty_is_mine/
https://www.mangago.zone/read-manga/the_blood_of_madam_giselle/

hope u enjoy them!ヾ(☆▽☆)

Miniamaru Kareshi

https://www.mangago.zone/read-manga/the_evil_lady_s_hero/ (not a manga and ml don't exactly hate everyone instead ml had no interest in anyone but is obsessed with fl but he hid it)

ohhh noo ┗( T﹏T )┛sorry i didnt read the word "manga" lol, and all the ones I recommended are webtoons, sorry TwT

What's the name of the webtoon?

Thanks for all the recommendations