Subjects of interests, Related Categories and Tags
ninja, assassin, samurai, warrior, Bushido, hitman, assailant, killer, marauder, slasher, hired murderer, mercenary, martial arts, shinobi, covert agent, feudal japan, espionage, sabotage, infiltration, assassination, guerrilla warfare, invisibility, kunoichi, spy, disguised, camouflaged, hide, lurk, mask, masked, sneak, undercover, Veil, creep, concealed, intruder, trespasser, slip, stalk, stalker, stealth, stealthy,
