Ключевые слова: adult, ancient, arts, assassin, background, biography, black, book, clothes, concept, convey, costume, crime, dark, darkness, equipment, expert, hearsay, holding, japan, japanese, katana, letter, male, man, martial, mask, master, message, ninja, paper, people, person, professional, retro, scroll, secret, spy, stealth, story, sword, teacher, tradition, traditional, uniform, vintage, warrior, weapon,