My Childhood Friend is an Identical Twin Sister - Complete 7-Volume Set By Awaipoppo / Original Work: Sakura Ao Price: ¥680 All volumes have obi strips. Volume 5 has a clear book cover. Available for immediate purchase. This is a product I purchased here. After reading it once, I stored it in a box. As it is a used item, there may be some yellowing or scratches, but there are no problems with reading it. Please refrain from purchasing if you are concerned. If you have any questions, please feel free to ask.