A mysterious stone, a magic stone that is said to give the person who obtains it the power to satisfy their every desire. - Shadow Cat, the phantom thief of justice, spends all his time on a harsh mission in order to steal back the magic stone and seal it away from the evil people who are trying to use it for evil purposes. - Her next target is the evil scientist Dr. Matsudo. - Shadowcat tries to take back the magic stone from Dr. Matsudo, but ends up falling into a trap and becoming a prisoner. - She manages to escape from restraint using a woman's weapon, a color trick, and tries to counterattack with a sexy and powerful attack, but... [BAD END]