https://www.mangago.zone/read-manga/itonaga_kun_no_koi_no_ito/
I think it's this but in this it's the same who does the bullying not the uke tho
Sorry it's not this one but thank you
But if y could help if you read it too, The bullied kid return back too and ig he has a scar on his face, and he still thinks that the uke is insufferable because of his relationship with the Seme( who is clearly Social awkward)
I might not have read it but it sounds interesting let me know if u find it
Hey I finally found it, it's called " Blue Lust"
Help ke find this BL manga please , the Uke in past accidentally led the bullying of one of his classmate after they confessed to him, so guilty at the present he helps an antisocial Seme to make friends etc etc I forgot please help