Hope's adventure

Allen's hope is a kind-hearted and intelligent boy who lives with his family in the mountains. He became his family's breadwinner after his father's death, making trips to the nearby village to sell charcoal. Everything changed when he came home one day to discover that his family was attacked and slaughtered by a demon. Hope and his sister Gwen were the sole survivors of the incident, with Gwen being transformed into a demon, but still surprisingly showing signs of human emotion and thought.
What do you think will happen to Hope as he journeys to England in search of the demon king.
Stay tuned and comment.