Because you like Sebastien Michaelis in Black Butler

Courteous, dangerous, and powerful, Kaname Kuran controls an entire court of vampires. Very, very pretty vampires. See them in Vampire Knight.

Yuki Cross is a cheerful, funny, bold young woman with hidden insecurities. See them in Vampire Knight.

Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

If there's power in being average, Mikado Ryugamine will find it and use it. See them in Durarara!!.

Suzaku Kururugi defeats enemies with his flashy but deadly jump kicks. But he's willing to sacrifice himself for peace. See them in Code Geass.

A nurturing, selfless, and level-headed leader, Makoto Tachibana loves looking out for his friends. See them in Free! Iwatobi Swim Club.

The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.

With his perfectly combed hair and flashy military outfits, France can charm the pants off of anyone—well except his fellow nations, it seems. See them in Axis Powers Hetalia.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

China has five thousand years of history, and he's optimistic he'll win over the Allied Powers to the wisdom of his ways. See them in Axis Powers Hetalia.

The pasta-loving, skirt-chasing personification of North Italy, Feliciano Vargas is decidedly a lover, not a fighter. See them in Axis Powers Hetalia.