yaois with characters who think they're unworthy of love and partner has to work at convin...

Maybe http://www.mangago.me/read-manga/kaeru_no_prince_sama/

I have a list like that
http://www.mangago.me/home/mangalist/53132/

http://www.mangago.me/read-manga/toiki_ni_furete/

http://www.mangago.me/read-manga/yurusareta_uta/

http://www.mangago.me/read-manga/ousama_game_takagi_ryo/

http://www.mangago.me/read-manga/tsumaranai_otoko/

http://www.mangago.me/read-manga/neko_neko_honey/

http://www.mangago.me/read-manga/aishuu_no_kanon/

http://www.mangago.me/read-manga/dia_game/

http://www.mangago.me/read-manga/hidamari_ga_kikoeru/

http://www.mangago.me/read-manga/hanaya_no_nikai_de/

http://www.mangago.me/read-manga/aisaretaino/

http://www.mangago.me/read-manga/sore_wa_yappari_ai_kamone/

all are in here:
http://www.mangago.me/home/mangalist/56720/?filter=&page=1

thanks guys!