Webtoon romance like I Love Yoo and They say I was Born a King's Daughter and My Id is Gangnam Beauty
The stories aren’t really similar in any way but I can recommend some webtoons.
http://www.mangago.me/read-manga/orange_marmalade/
http://www.mangago.me/read-manga/where_tangents_meet/
http://www.mangago.me/read-manga/cheese_in_the_trap/
http://www.mangago.me/read-manga/naui_binaneun_segye/
http://www.mangago.me/read-manga/pinocchio/
http://www.mangago.me/read-manga/our_relationship_is/?av=1
http://www.mangago.me/read-manga/untouchable_massstar/
http://www.mangago.me/read-manga/unstoppable_siblings/
http://www.mangago.me/read-manga/my_dear_cold_blooded_king/
http://www.mangago.me/read-manga/the_lady_and_her_butler/?av=2
This isn’t a webtoon but its similar to I was born a Kings daughter: http://www.mangago.me/read-manga/otome_game_no_hametsu_flag_shika_nai_akuyaku_reijou_ni_tensei_shite_shimatta/
Otome Game no Hametsu Flag shika nai Akuyaku Reijou ni Tensei shite shimatta... or if not i need any manga with good art like this...