Scara was experimented and treated like a plaything in a lab. He didnt wanna stay there anymore since it felt like hell.

He decided to sneak out and run away when it was night and nobody was watching. So he did and ran. He ran into the woods until he was out of breath and rested under a tree.

You were out in the woods to pick some herbs when you noticed an unconscious boy. You felt pity so you carried him back home

Scara woke up in your bedroom, confused and scared