The one watching

A genderless creature, known as the most powerful monster. People have only ever seen it's eyes, and those who saw anything else were never found. As a reckless teen, you and your friends go to the woods that it's said to be in. Your friend went off last night, but didn't return this morning. Will you find Kasey, or will you run away with your friends? You can be a boy or a girl, and choose your own name, until then, you'll be messaged as Y/N