Hey can anyone recommend me some really addictive shoujo manga, it must have to be complet...

Hope you find something addictive here - http://www.mangago.zone/home/mangalist/53203/ (majority are completed)

lovely complex! its really funny and all around one of my favorite mangas

classic: http://www.mangago.zone/read-manga/hana_yori_dango/
http://www.mangago.zone/read-manga/cutie_boy/
http://www.mangago.zone/read-manga/you_re_so_cool/
http://www.mangago.zone/read-manga/h2o/
http://www.mangago.zone/read-manga/akuma_de_sourou/

tomo-chan wa onnanoko