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I loved Salt Friend as well,
Did you read it ?
The tsundere becomes a bit of a '' daddy '' for the '' délinquent '' this is also a lighthearted read (delinquent is a '' cute school delinquent '' between brakets not a heavy yakuza or mafia with crime .
In 19 Days little mo is also a school delinquent who finds his '' daddy '' ;-pp I like their dynamic a lot :-pp _
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https://www.mangago.zone/read-manga/bottomless_swamp_bookcube_version/
https://www.mangago.zone/read-manga/dine_with_a_vampire/
https://www.mangago.zone/read-manga/k_s_secret/
https://www.mangago.zone/read-manga/blood_link/
https://www.mangago.zone/read-manga/raising_a_bat/
https://www.mangago.zone/read-manga/crush_and_burn/
https://www.mangago.zone/read-manga/blood_sacrifice/
erm.. can someone give me a nerd x delinquent type book where the "nerd" kinda like changes the delinquent into a better person or the delinquent only listens to the nerd something like that its kinda hard to explain but yeah