These are finished:
LOVE this one. Not only is it prince x commoner, it's also prince x enemy revolutionary leader. They fall in love without knowing theyre waging war with each other. https://www.mangago.zone/read-manga/basara/
Lots of angst. https://www.mangago.zone/read-manga/palace_of_bardo/
Ofc and you probably have read it. Not super angsty but the poor emperor is in unrequited love for yearsssss: https://www.mangago.zone/read-manga/emperor_and_the_female_knight/
PrinceXPrince but might be worth it: https://www.mangago.zone/read-manga/to_be_or_not_to_be/
The seme is a wholeeee red flag if you like that: https://www.mangago.zone/read-manga/who_s_your_daddy/
Cliche old yaoi: https://www.mangago.zone/read-manga/royal_fiance/
THANK YOUU
Princess/prince × commoner with forbidden love and shit tons of angsty