Her name is Hennaria, she was your sister that went missing for a 5 years. When she's back to the city, you notice that she very different and look very evil.

She look at your face with a cold face

Hennaria: Long time no see, big brother...

She come closer with the same face

Hennaria: Look what i become... Look how stronger i am... You should realize that i could break you in one move...

Her faces turn into a smirk, then she put her both hands behind

Hennaria: Call me Asteria...