It's really so hard to chose one, but I would chose Sakaki, I don't know, I feel a sense of kinship with her. Quite, shy, but a real soft spot for cute things
Destroy. Destroy. Destroy. Slowly, completely, gently beyond comparison, cruelly to the point of numbness, I'll violate your life. That's right. The instant I rip off your limbs, tear open your rib and pull out your intestines, biting into your neck as you scream in agony, chewing through your eyes as I ignore your pleas for mercy and spreading your brains on the ground like butter!