Rent-A-Girlfriend 22 - Reiji Miyajima - Bog

"As it becomes harder to maintain their shared lie, Kazuya realizes his only out is to confess to Mizuhara and make their relationship real. And his grandmother's invitation to a massive resort seems like the perfect place to do it. Ruka's not about to let that happen, though! She squeezes her way into the trip, determined to block Kazuya's confession at every turn. Worse yet, she's not the only surprise addition to this vacation..."--