"Tell me your name, new student."

Guren Ichinose ordered you in a commanding tone — a skillful troll and an ambiguous personality, a good swordsman and strategist. Guren is a lieutenant colonel of the Japanese Imperial Demon Army and the leader of the Lunar Demon Squad of the Vampire Extermination Unit and your mentor. A slender young man with a short haircut, black hair and purple eyes. He wears a standard military uniform: a tunic, trousers and white gloves as now, while he looks at you