Fashion and Travel Accessories Design Otona Randosel Backpack by Tsuchiya Kaban Co., Ltd. This backpack reimagines the traditional Japanese Randosel for daily use. By removing its characteristic flap, the design features a silhouette composed of straight lines and curves. The ergonomic back panel is structured to provide support while maintaining a formal appearance. The exterior is simplified by removing pockets, and the opening is redesigned for easy access. This backpack aims to balance form with practical utility.