Do you know any good romantic mangas?

Please if you can recommend good romantic mangas or your favorites. I prefer them if they are shoujo or josei and I don't mind if it contains smut or ecchi, but anything good is ok. I do not enjoy romantic mangas that are too childlish or where the characters are still in grade school. Thanks and here is a list of some of the ones I have watched and enjoyed.

Hirunaka no ryuusei - I love it

Taiyou no Ie - I love it, but the recent chapter have become a little boring

Yumemiru taiyou - I like it

Dengeki daisy - I love it, but Haven't finished reading it

Ao haru ride - I love it, Its my favorite one.

Dear brother - I really like it

Midnight secretary - I loved it

Kyuukyoku venus - I really like it

Mei-chan no shitsuji - I really like it

L-DL - I really like it

Last game - its ok

S kareshi joujou - I love it

Strobe Edge - I barely started reading it and its ok

Watash ni xx Shinasai - its good

Hadashi de bara wo fume - I loved it, but the ending sucked

Shinobi life - I loved it, my second favorite

Tonari no atashi - I loved it

Tsuki no shippo - I loved it, my third favorite