Searching for

the beast must d!e and king's maker there's a shounen-ai and mature ver of it, but beware of the trigger warnings and tags

Thanks

https://www.mangago.me/read-manga/mo_dao_zu_shi_novel/
https://www.mangago.me/read-manga/banana_fish/ (not even sure you can say there is romance, there is definitely love though)
https://www.mangago.me/read-manga/global_examination/
https://www.mangago.me/read-manga/turning/

I love these stories for their plot, there is romance but very light and it really makes sense in the whole plot, it's not just romance for romance

Duke's redemption gotta be it

:: these are real humans btw ✎⋆.࿔*:･ (i believe all of them are slowburns, and tho some might have a romantic perspective but it does so well to show other very real problems that "love" can't possibly just solve)
https://www.mangago.me/home/mangalist/2475010/?filter=&page=1

Thank you all!!

A trace of the wonder
Monster in the mist