Ahhhhh, I feel like I read one like that but I can't find it ╥﹏╥ if I do ill get back to ya (if you're even still looking for it at this point)
But here's one that sounds similar: https://www.mangago.me/read-manga/saikyo_yankee_to_makeinu_na_ore/
https://www.mangago.me/read-manga/love_me_or_i_ll_kick_your_ass/
This matches the description except for the long blond hair and glasses
Well he kinda has long hair, and bc the manga is in black and white, it kinda looks blonde. But in the cover it isnt blonde.
But hes not wearing glasses so
HELP! I can’t find this manga..... yaoi.... one guy was a delinquent wanna be (i think his mom was an ex delinquent?) and the other guy was a REAL one and i cant find it anywhere T____T the wannabe had longish blond hair and glasses...... help me..... T____T