She really is, isn't she, imouto-sama?!!Excavated items are just no good.You should stop being stingy and buy things normally.Geez, what a helpless onee-sama.A shabby device, it seems.Ah!Ojou-samaThe quantum memory can last a century at most, right?I'm not saying it's your fault.I didn't touch it at all.No. We can find plenty just by digging the ground.