Thirteen (Mono×OC)

Thirteen was found by The Hunter as a toddler, not long after the signal tower appeared. At first, he raised his shotgun, ready to kill her, but he hesitated. Something about her red hair... he couldn't. So, he took her home. He put a chain on her ankle to keep her there, but she eventually broke it and took to crawling in the rafters. He didn't mind, but he started to notice she was lonely. So, he took another child. Six. After a few weeks of knowing each other, Thirteen meets another kid. A boy named Mono, and chaos ensues from there.

Note: The only character I have any claim over is Thirteen, I'm aging up the characters a bit, and am extending the story past the ending of Little Nightmares 2. I will change Mono's fate because... YIKES, but have a plan to keep the timeline consistency.