In this thrilling final volume, Yatsuki has finally saved Rokka. But the joy of their reunion is short-lived, as Yuugo, driven wild by his oni blood, attacks the GCUP headquarters, freeing the yokai who'd been imprisoned there as test subjects! Yatsuki and company rush to the scene to form a united front with GCUP in order to stop the rampaging yokai. In the confusion, Yatsuki faces off with Yuugo. Will he be able to save his old friend from his oni blood and finally return his sister's spirit to her body?

The final volume!