■Description■ Strategic Play: The Problem Before Marketing Ren Serizawa Brand new, unused Purchased February 2026. ※As shown in the image, there is a scratch on the upper back. Purchased new and unread, so there are no markings. Please understand and purchase. ・Instant purchase is OK. ・Shipping is free, and we will ship via Yu-Yu Mercari. ・We pack carefully and ship within 2 business days.