Hi help please, any shoujo or yaoi manga about betrayal thx

Shoujo: http://www.mangago.zone/read-manga/bokura_ga_ita/
http://www.mangago.zone/read-manga/akatsuki_no_yona/
Yaoi: http://www.mangago.zone/read-manga/scarlet/
http://www.mangago.zone/read-manga/koi_to_wa_yobenai/
Other: http://www.mangago.zone/read-manga/bitter_virgin/

http://www.mangago.zone/tag/betrayal/
they're mostly yaoi

Thank you all