*The electronic version comes with a special bonus short story titled "The Busy Guild Master: Jeremo Edition."* Yuna and her friends are enjoying a trip to the town of Millira with a large group, including the children from the orphanage, the Fina family, shop employees, and the Noah sisters, among others. They are having a blast with activities like swimming in the sea, indulging in seafood gourmet, and fishing—there's hardly enough time to enjoy everything! After greeting the townsfolk, including Atla, Yuna hears about a mysterious "moving island" that has suddenly appeared off the coast of Millira. Unable to suppress her curiosity about the unknown island, she decides to create a certain piece of equipment to sneak away from everyone's watchful eyes! An extraordinary island beyond imagination, powerful monsters attacking... Will Yuna and her friends be able to complete their trip safely? This is the 15th installment of the isekai bear girl adventure tale, featuring the familiar cast and a mix of vacation and adventure!