Anybody knows a worthwhile Josei?

Maybe these?? (: http://www.mangago.me/read-manga/paradise_kiss/
http://www.mangago.me/read-manga/kuragehime/
Seinen: http://www.mangago.me/read-manga/solanin/

I'd say paradise kiss is your best bet but since someone already suggested that try:

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

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

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

http://www.mangago.me/read-manga/kare_wa_tomodachi/ (shojou, but somewhat same feels near end)

http://www.mangago.me/read-manga/totsuzen_desu_ga_ashita_kekkon_shimasu/ (not same feels, but joesi manga I really like)

http://www.mangago.me/read-manga/majo_no_biyaku/ (joesi manga)