Bad Beginings

Ammie Lake is a seemingly normal girl. Although she is way too preppy about everything, nothing seems very out of the ordinary. Only she isn't normal.

She is cursed to have a split personality, one personality of a literal demon, wanting to kill everyone and bring suffering, and one personality that is only nice and sweet to others.

Although her bad personality was locked away by a spell, it was awoken, and she doesn't know how to control it.
Can she keep herself together?