can anybody suggest me a good bl manhwa like It'll be my favorite or being crazy for them?...

https://www.mangago.me/read-manga/the_nameless_flower/
So so good but lots of angst if you're okay with that

Bye Bye
https://www.mangago.me/read-manga/bye_bye_1/

All completed:
Full Moon Alchemist
https://www.mangago.me/read-manga/the_moon_painting_alchemist/

Did It Work
https://www.mangago.me/read-manga/did_it_work/

I Can See Your Stats!
https://www.mangago.me/read-manga/i_can_see_your_stats/

Hollow Lovers
https://www.mangago.me/read-manga/hollow_lovers/

Dawn of the Dragon
https://www.mangago.me/read-manga/dawn_of_the_dragon/

I suggest these ones a lot cuz I loveeeeeeeeeeee them with all my heart:

The eve festival
https://www.mangago.me/read-manga/the_eve_festival/

Minority
https://www.mangago.me/read-manga/minority_1/

Perle
https://www.mangago.me/read-manga/perle/

Hate Mate
https://www.mangago.me/read-manga/hate_mate/

Not blossom
https://www.mangago.me/read-manga/not_blossom/