Happy Birthday!!! here are some recommendations for you as a gift!! I personally don't know your tastes but these are just a few of my all-time current and past favs! Hope you'll like them!!
http://www.mangago.zone/read-manga/100_perfect_girl/
http://www.mangago.zone/read-manga/you_own_my_all/
http://www.mangago.zone/read-manga/even_if_you_don_t_love_me/
http://www.mangago.zone/read-manga/two_souls_1/
http://www.mangago.zone/read-manga/gongmul/
http://www.mangago.zone/read-manga/to_take_an_enemys_heart/
(oops now that I look at your "already read" list I realized that you mostly read shoujo.. lol, I'm sorry I don't really have any shoujo recommendations except for one but I hope you'll still like my gift! LOL)
Happy Birthday to me. Happy 23 years old self