Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs Novel Volume 8 was written by Yomu Mishima with illustrations by Monda.

Strong-armed into taking a break, Leon kicks back and relaxes with his three boisterous fiancées. When the Roseblades arrive to arrange an inter-house marriage, Leon assumes he'll be offered a fourth bride—Deirdre, his friend and former upperclassman. To Leon's surprise, they want to foist Deirdre's difficult older sister on his brother Nicks! A heartfelt love story begins, but who knows who’ll end up holding the leash?