Instant purchase is OK. No price reduction. This is a new, unopened item. After purchase, it has been stored in a dark place in the unopened box it arrived in. Please note that we cannot be responsible for initial defects. To prevent product substitution, returns are not accepted after arrival. From the condition shown in the photos, the item will be wrapped in bubble wrap + OPP, with cushioning material, and then shipped via Mercari's anonymous delivery service. Shipping in a box. Yu-Packet Plus or Yu-Pack is planned.