any good slow-burn bl with plot and no sex in the dirst couple chapters?

Stigmata
Turning

Rainbow city (SA in chap 3, best to skip)

Sangyang:The Wanderer
https://www.mangago.me/read-manga/sangyang_the_wanderer/

Eternal Covenant

https://www.mangago.me/read-manga/eternal_covenant/

Alpha Trauma

https://www.mangago.me/read-manga/turning/

YESSSSS I'VE REAS FNR NOVEL FOR TURNING LITERALLY LIKE FIVE TIMES ITS SO GOOOODDDD AND I'VE READ STIGMATA TWICE MOW I NEED MORE VHAPTERS AHHH

Yeah, they're both so good. Try Global Examination?

I've reas rhe novel twice ლ(´ڡ`ლ)

How about these? Some are shounen ai.
Heaven's official blessing
https://www.mangago.me/read-manga/soul_fire/
https://www.mangago.me/read-manga/fate_makes_no_mistakes/
https://www.mangago.me/read-manga/midnight_tag/
https://www.mangago.me/read-manga/green_apple_paradise/