An ‘Unusual’ Conclusion

Neither Leo nor Arthur were that vengeful, but the Sword Demon's presence in his life was simply too much. It all felt too far now, but this antagonist's influence on him started even before Arthur was born. Arthur's parents had become test subjects, dying when they tried to give him a different life. Even when he was trying his best to be happy as an orphan, he was still haunted by his past.

The Arthur in the novel was ignorant once he fell back into the researchers' clutches, but the current Arthur shared Leo's knowledge as a reader. He knew what he would have become if not for Leo's intervention. His old fate was that of a toy made to satisfy the Sword Demon's curiosity, one that would be tossed away in the end.