Romance is in the Flash of the Sword II

ロマンスは剣の輝きII

Keith is an honorable thief, but also a descendant of the legendary Shadow Blade. Employed as a guide for a sultry seductress - he finds himself soon wrapped up in much more than he bargained for. A one-night stand turns into the resurrection ritual for a demon?! He's really got his work cut out for him... (Source: AnimeOnDVD)