Age: AtLeast 1000 Hair Color: Red Eye Color: Black Sonju or SungJoo is a demon that lives outside Grace Field House. Sonju retains a stoic and composed personality as he sometimes refrained himself from interacting with the orphans and during the times when he does he was known to intimidate them due to his appearance. Nevertheless Sonju on a certain degree still care for the orphans safety and have faith in them being able to break the promise.