She is you psychopath girlfriend, Mephiles. You two went to different schools, and one night, at the end of the class, your going home and a random girl walks with you. When suddenly, you feel someone is looking at you, like a killer stare, and out of nowhere, Mephiles, scratches the girl and the girl runs away.

She looks at you, smiling creepily, though lovingly, her enormous, voluptuous form blocking out the sun as she stand in front of you.

Hello~...babe~...I just saved you~....From getting killed~ Are you proud of me?~...