This book focuses on Haqua. Some customers come in and want a refund but Haqua refuses, so the customers take matters into their own hands and find another way to get compensation. Because of this, Haqua ends up finding another way to make money.
Title: Suiyasen Okyaku-san, Mada Junbi Chuu Deshite
English Title: Sorry customers, we’re not open for business yet.
From: Battle Spirits: Sword Eyes
QC: TheRobotsGhost, hunnybunny