A romance manga where the couple starts dating in high school but the story continues into...

There are two sequels to this one, it covers them from hs to uni. Also spin-offs for the seme's brothers
https://www.mangago.zone/read-manga/kawaii_akuma/

https://www.mangago.zone/read-manga/my_last_love_scenario/

Heesu In class 2

But college arch just 10 chapter if I'm not wrong

Btw read this first before that https://www.mangago.zone/read-manga/hush_today/

https://www.mangago.zone/read-manga/minority_1/