[Justin Kim]

Series to Watch:
A: Aishiteru Ze Baby
Allison and Lillia

B: Blue Drop
Bokura Ga Ita

C: Chaos Head
Chrono Crusade

D: D.N. Angel
Dragonaut
Druaga No Tou

E: Erementar Gerad

G: Gift Eternal Rainbow
Giniro No Olynssis
Girls Brave Season 1 and 2.
Ginban Kaleidoscope

H: Hakushaku to Yousei
Happiness!

I: Inukami
Itazura na Kiss

K: Kage Kara Mamoru
Kaghime Monogatari Eikyuu Alice Rondo
Kaibutsu Oujo
Kamisama Kazoku
Kannazuki no Miko
Karin
Kara no Kyoukai
Kaze no Stigma
Kimi ga Aruji de Shitsuji ga Ore de
Kimikiss Pure Rouge
Kishin Houkou Demonbane
Kiss x Sis
Kono Aozora ni Yakusoku wo
Kono Minikuku mo Utsukushii Sekai
Kore ga Watashi no Goshujin-sama
Koukyoushi Hen: Eureka Seven

L: Lamune
Lovely Complex

This is a list I am working on so far, and no-one mentioned SEKIREI which is ridiculous. That series is super ecchi and harem.

Updated List:
Sora Kake
Zero no Tsukaima
Akane-Iro Ni Somaru Saka
AIR
Clannad
Clannad After Story
Ah! My goddess
Suzuka
To Love-Ru
Rosario + Vampire
Rosario + Campire Capu 2
True Tears
School Days
Myself; Yourself
Shakugan no Shana
Toradora
Naruto
Bleach
Suzumiya Haruhi
Kannagi
The Ugly Yet Beautiful World
Izumo
Mermaid Melody
To Aru Majutsu no Index
Kanon
Negima
Akane
Aishiteruze Baby
Kimikiss pure rogue
Da Capo
Elemental Gelade
Secret Sweethearts
Ceres
Saishu Heiki Kanojo / Saikano
Rumbling Hearts
Lovely Complex
Nanatsuiro Drops
Fate/Stay Night
Occhi di gatto
Kiss me Licia
Love hina
Fushigi Yuugi
Marmalade boy or Piccoli problemi di cuore
Ah! My Goddess
DarkStarNova
Aishiteruze Baby
KareKano
Temi d'amore fra i banchi di scuola
Sakura Diaries
Kyoshiro to Towa no Sora
Kannazuki no Miko
Shugo Chara
Nana
Sakura Captor Card or Pesca unaltra carta sakura
Angel Sanctuary
Fruit Basket
Kodomo no homocha (Rossana)
Itazura Na Kiss