Because you like Shana in Shakugan no Shana

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

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

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

If it means fulfilling her ambitions, Satsuki Kiryuin will show neither shame nor hesitation. See them in Kill la Kill.

Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.

The personification of America is all about superheroes, hamburgers, and spreading democracy and justice. See them in Axis Powers Hetalia.

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.

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

After finding a mysterious object in one of the many rooms in her father's mansion, Bulma is inspired to discover its secrets. See them in Dragon Ball.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

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