Omamori Himari Graphic Novel Volume 11 (Mature)

"An orphaned boy must learn learn to live with a sexy supernatural warrior who aggravates his allergies (and his hormones) in this quirky take on the fantasy romcom! When the Nine-Tails takes a bite out of Yuuto, a livid Himari turns the tables and overwhelms the powerful ayakashi with her great strength. However, the more Himari rages, relying on her demonic power, the more her heart is consumed by darkness. The battle may be over, but has Himari already lost the war... against herself?!"