Bride of the Barrier Master, Vol. 3 (manga)

Saku has declared that he wants Hana to remain his wife, and their once-temporary marriage is now permanent! Will a lavish beach villa and relentless romantic advances be enough for Saku to win her over for real? And after dangerously powerful talismans are stolen from the Association of Practitioners’s custody, Hana must prove once more that she’s up to the task of being the Ichinomiya head’s bride!