Responses
might not be this one since the delinquent has pink hair but it's a similar rec nonetheless lol https://www.mangago.me/read-manga/pinky_nightmare/
Thanks for the recommendation it’s lowkey peak
One had red hair and was a delinquent he had a crush on this girl but I think the girl liked the top student he had like black hair but the top student secretly liked the delinquent all along