Run away boy:Yandere hospital x male!Reader x Yandere school

Y/N a boy who can be title as 'The quite kid' not really being talkative. He doesn't have much friends but somehow he's loved by the whole wide school. He adopted and his parents care more of his siblings forgetting he exists completely. When he shows up in a hospital after 3 months of being missing. Let's see if they'll let him go