Renegade android swordswoman Mian Toris attempts her most dangerous feat yet -- crossing the border into the Helgebard Empire! In a rare moment of compassion, she sets Wataru and Babo free before she goes -- but Wataru has become too attached to Mian to break up now! And Babo can't afford to leave Wataru, his only friend in the world! Even though they devise a devilishly sneaky way of crossing Helgebard's fortified borders, they fail to avoid violent confrontation with Imperial troops!