Shattered Innocence: Transmigrated Into a Novel as an Extra

Abandoned on the battlefield, all he could do was endure the hellish life. He had no family to rely on, as they had turned their backs on him. A soul from the battlefield, Lucavion Thorne. But apparently, he was a lot more than a mere soldier, as fate had many things stored for him. A soul from Earth....When they merged, he realized. He was a one-chapter villain whose sole purpose was to serve as a background setting for the protagonist's tragedy. But was he truly a one-chapter villain, or did fate still have some tricks up its sleeve?