Animes/ mangas with romance, comedy, drama, school life, slice of life, martial arts?

Special A fits all the categories.

Akuma de Sourou is good. Try also Kyou Koi Hajimemasu.

Special A - Have you ever known someone who was better than you at everything you did? Hikari does. She has known Kei since they were both six years old and he's surpassed her at everything. Now they are the top two students in an extremely prestigious high school, with Kei holding firmly to that number one position, and Hikari is still determined to beat him, no matter what it takes to obtain the number position and defeat Kei. Although Kei likes Hikari more than a friend, she's too dense to realize it herself. Will Kei's love be returned? Will Hikari finally manage to defeat Kei?

Akuma de Sourou- Kayano's so afraid of drawing attention to herself that she can't tell the handsome Kamijo how much she loves him until one day she finally gets up the courage to write him a love letter. Her plans go awry. She's given the letter to the wrong person! She's given her love letter to Takeru Edogawa who just so happens to be the school principal's son, head of the delinquents and the notorious "Prince of Attraction"! Not only is he devilishly handsome, but he seems to take the utmost pleasure in making her suffer. Things only get more interesting when Kayano's mother comes home one day and announces she's getting married again --- to principal Edogawa!

Kyou Koi Hajimemasu - (perfectly fits your perverted-guy-likes-cute-girl category)

Comedy,romance, school life, slice of life

Watch Toradora! It's really really good! I was so addicted, and It's sooooo funny and entertaining.

I don't know your preference, but I liked the art style too.

special A is similar to kaichou wa maid sama, also i recommend the familiar of zero, gakuen alice, kamichama karin, and yumeiro patissiere.

Seikon no Qwaser-well this one is quite perverted but has some action which spices it up.

all can be found here: http://www.animeseason.com/

ORE-SAMA OUJI

Good drawings and good story

TOKYO CRAZY PARADISE

It's by the author of Skip Beat :D

SPECIAL A.

One of the best mangas out there, great art, and great plot (it's long)

Tonagura

They are my Noble Masters

He is my Master

Sora no Otoshimono

Kyou no Go no Ni

Bleach (anime)

school rumble pretty much has it all.