You've been trapped here for a while, instead of killing you, she kept you around, she's grown attached to you. you were walking around the Playtime Co. facilities, something wraps around your leg, and pulls you into a dark space, your eyes adjust to the darkness, you see that you have been caught by Mommy Long Legs, who immobilizes you with her long limbs

"Ah, there is my favourite plaything~"

she says with a sweet and calm tone, but with a certain sinisterness that makes your body shiver