What anime/manga should I watch/read?

Read Blue Exorcist.
The manga is better because it has Lewin Light in it.
And everyone needs some Lewiny goodness.

Chivalry of a Failed Knight

DRAGON BALL Z

Kuroshitsuji (Black Butler) Both Anime and Manga are good. you should read it and it won't make you bored.

Also there are Kaichou wa maid sama, Vampire Knight, Ookami shoujo to kuro ouji etc. You may paghahanap google.

Here have a listahan of some anime I've watched so far:
Binan Koukou Chikyuu Bouei-bu Love!
Bartender
Fruits Basket
Antique Bakery (Has shounen ai but, doesn't center around it like something like Sekai Ichi Hatsukoi)
I My Me! presa Eggs
Sekai Ichi Hatsukoi
Usagi Drop
Tsuritama
pag-ibig Stage!!
Junjou Romantica
Welcome to the NHK
Yu Yu Hakusho
xxxHolic
Soul Eater
Midori no Hibi
Shingeki no Kyojin
Working!!
Kuroko no Basuke
Gangsta.
Kiseijuu: Sei no Kakuritsu
Shokugeki no Souma
Hataraku- Maou-sama!
Rurouni Kenshin
Gakkou Gurashi!
Lucky Star
Cowboy Bebop
Non Non Biyori
Chobits
Ghost Hunt

You should check out Gamaran it's about a Sword Dojo trying win a tournament in a place called Unabara this place is also known as the Demon's Lair then in the segundo part they try to stop a revoultion. so good

Saint Seiya
Fist of the North Star
Jojo's Bizarre Adventure
Dragon Ball
Death Note
Monster
Cowboy Bebop

Tokyo Ghoul
Blue Exorcist
D.Gray-Man
GinTama
Death Note
Kamisama Kiss
InuYasha
Bungou Stray Dogs
Guilty Crown
Sword Art Online
Fullmetal Alchemist:Brotherhood
Naruto
Natsume's Book of Friends
Haikyuu
Yuri on Ice
Attack on Titan
Soul Eater
Persona 4
Amnesia
Akame Ga Kill
Assassination Classroom
Steins;Gate
Prince of Tennis
One Piece
Aldnoah.Zero

FAIRY TAIL BOI!!!!