Strike the Blood, Vol. 21 (light novel) (häftad, eng)

Kojou has finally defeated the Blood, but with Ren abducting Avrora and fleeing to
another world, there’s no time to celebrate. And with Kojou’s vampiric powers gone,
staging a rescue seems impossible...until the First Primogenitor, Ki Juranbarada, shows
up with a striking proposal and a tempting offer—a new set of Beast VesselsBut when
Juranbarada’s gift transforms Kojou into a monster devoid of reason, it’s up to Yukina
and company to find a way to save him before it’s too late!