[Demon Slayer] Douma Says He's Not an Upper Rank

After losing my memory, I unexpectedly found myself in a world inhabited by dangerous creatures known as demons. Luckily, someone took me in. I trained hard and, after passing the selection, became a member of the Demon Slayer Corps, whose mission was to kill demons. One day, while on a mission, I unexpectedly encountered an Upper Rank Demon. Even more astonishingly, that demon looked exactly like me, except as if someone had poured a bucket of blood over its head. I froze. For a moment, we stared at each other, and the atmosphere gradually grew tense. * I'm terrible at writing blurbs; told in first person * Modern-day Douma transmigrates to the Taisho era * Some out-of-character moments are unavoidable * Contains original headcanons Purpose: Expresses an optimistic attitude toward life, the determination to live well, strive for the future, and contribute to world peace.