This is an epic tale that follows the journey of Yuyuko, Youmu and Yukari, delving deeper into the events of Perfect Cherry Blossom and the aftermath. The plot is split into multiple chapters, with the Beginning and Middle chapters consisting of two parts each. The final chapter, however, is split into four parts, resulting in a total of eight releases. In the Beginning chapter, readers will get to experience the story through Youmu's eyes. She is a half-ghost girl who cannot help but notice the unusual tension between her mistress and an old accomplice, the youkai of boundaries. The Middle chapter is narrated from Yukari's perspective, as she reveals more and more about her and Yuyuko's past.