Nao Kurosaki, who works as a teacher during the day, steals a magic stone, a jewel in which the devil dwells, as a righteous bandit Cat's Lady at night, and seals the devil. Her next target is the Lion King, a masked millionaire. Cat's Lady goes to steal his magic stones, but the Lion King, who plans to collect magic stones and rule the world, sets a trap for Cat's Lady. Cat's Lady, who sneaks through the security of investigator Inuzuka and steals a magic stone and brings it back, but it was a fake with a communication device. Nao, who brought back the magic stone without noticing the fake, is attacked by Toramaru, a minion of the Lion King. The Lion King takes Nao away to his hideout and conducts a fierce interrogation to obtain the magic stone that the Cat's Lady has stolen so far. Will the Cat's Lady be able to escape from this predicament and seal the Lion King's magic stone? ［BAD END］