https://www.mangago.me/read-manga/form_of_sympathy/
The mc is a bad spoken brat who has a one sided crush on his not blood related sister, who is marrying. At the wedding he will meet his past teacher who is also crying and drunk because he has a one sided crush on the groom. As he is drunk he confuses the mc with his crush and starts kissing him
https://www.mangago.me/read-manga/b_class_guide/
Guiverse. Mc is a B- class guide who gets dumped by his guide who leaves him for a girl. He then changes to another department more dangerous to scape humiliation. And then he will start guiding the ml, a S class esper whos insane and dangerous
https://www.mangago.me/read-manga/serious_joke/
I dont remember much about the first couple, my pwrsonal fav is the one is 2 season, is some kind of enemies to lovers school life
https://www.mangago.me/read-manga/part_time_partner/
Handsome twofaced ml rejects mc saying hes not gay even though mc didnt even confess, he gets revenge annoying him nonstop, after their battle, they end up as f*** buddies
https://www.mangago.me/read-manga/heaven_hell_roman_company/
Mc (half demon/angel) has a secret crush on his childhood demon friend, they work together in a reinforcement company that gathers both angels and demons. Also second couple, working partners a demon and a angel who says he hates demons
AJSHSH i knew it xd well hope u like B class guide. Tell me if u read these ones
https://www.mangago.me/read-manga/sweet_spot_se_yang/
Sort of enemies to lovers??? The mc is a baseball star player. The teams mascot start acting weird with him so he gets pissed and wants to know their identity, only to realise it was a old baseball player he played in the past with.
https://www.mangago.me/read-manga/liar_where_are_vampires/
Mc is a naive guy who lived in the mountain ajd moved to the city. He gets offered to live in a house with other 4 guys, but what he doesnt know is that they are vampires who want to drink his blood
https://www.mangago.me/read-manga/peach_love/
Mc is a gang leader who falls in love with a innocent boy, and they start dating but he doesnt know that innocent boy is hiding a secret
https://www.mangago.me/read-manga/did_it_work/
The mc has a special ability where he can see random people's energy and if he has physical connection with them he will be able to read the future? Desesperate for money, using his ability he messes with a man who he doesnt know is a mafia. The mafia man will try to kill him in revenge, but he spares his life because he finds his ability useful
https://www.mangago.me/read-manga/literature_boy/
Highschool sweethearts that broke their connection in a really sad way, meet again years later thanks to their love for writting and reading, which leads them to working together, but both of them are still hurt from their past

Please give me bl manhwa recs to binge... preferrably completed but ongoing is okay as long as its > 50 chaps, thank you very much