The series features Ueno taking on five roles in five episodes. As the title suggests, each episode involves a bag of some kind, such as a guitar case or a mysterious delivery package.The series features Ueno taking on five roles in five episodes. As the title suggests, each episode involves a bag of some kind, such as a guitar case or a mysterious delivery package.The series features Ueno taking on five roles in five episodes. As the title suggests, each episode involves a bag of some kind, such as a guitar case or a mysterious delivery package.