If you want a romantic comedy manga, I recommend you "Fruits Basket". If you want an action, comedy and harem manga, I recommend you Ken Akamatsu's masterpiece "Negima Magister Negi Magi". And if you want a comedy, I recommend you Kiyohiko Azuma's greatest mangas, "Azumanga Daioh" and "Yotsuba&!".
If you want ACTION i recommend 'D.N.ANGEL'. If you want ROMANTIC i recommend 'Fruits Basket'. If you want aleatório i recommend 'Naruto' All awesome manga's and anime's. ^^