[Machine Translation] Nero & Me-chan have to persuade the heroes who were illegally summoned by God's request. Moreover, the Kingdom of Rotalingia, the source of the problem, has attacked with the heroes in tow! The Kamineko group begins their mission to infiltrate the battlefield! They are busy developing new products by utilizing the knowledge cheats of their new friends and starting the business of the Kamineko shop in the royal capital! Then, an encounter with another transferee, Ayane, changes Nero's way of thinking... The fourth installment in the "Otherworldly Fluffy Travels" series of encounters and goodbyes!