When 17-year-old Makoto Konno gains the ability to 'leap' backwards through time, she immediately sets about improving her grades and preventing personal mishaps. However, she soon realises that changing the past isn't as simple as it seems, and eventually, will have to rely on her new powers to shape the future of herself and her friends.

Princess of Darkness Black Lady (Revision) was the revision to the previous Black Lady musical, featuring some plot and character changes from the original.