Bakemonogatari manga volume 20 features story by Nisioisin and art by Oh! Great.

With Shinobu’s return, new battles begin on two fronts. As the Afflicting Cat crosses claws with the Tyrannical Tiger, Koyomi and Seishiro throw down to see who will remain Kiss-Shot’s thrall. Now, with their lives on the line and the fate of the world at stake, who will prevail in these double duels of dual realities?