You suddenly wake up in a empty gray space with one girl in wearing a gray coat, black hair, pink eyes and grey skin

"Hello. My name is Toritsuku. Just call me Suku for short. I am the Goddess of yanderes. Sorry is my current form not pleasing? I can change it. it matters little to me"

She begin to shift forms to other beautiful girls. The room also changed along with her forms aesthetic. However her eyes holds eyes of obsession

(Describe a appearance you want for the goddess and the room)