How we proceed will depend on the option you select during the Charge 1 process. (1) Proceed with available units (back-orders, pre-orders included) (2) Cancel all orders made under the same charge 1. (back-orders, pre-orders not included) Even if temporarily out of stock, back-order and pre-order items cannot be cancelled. Please check the item page descriptions carefully before completing an order. General keywords to look out for: 「取寄」「取り寄せ」：Back order required 「取寄可能」「取り寄せ可能」：Back order possible 「在庫有時、欠品時」：When in stock, out of stock Please be warned that not all keywords are listed above. We accept requests to check item availability. To do so, please place an item in your cart and contact customer service with your order number. * Please refrain from completing the charge 1 payment.