Two books helpful for improving gut health, a set of two. "Oatmeal Rice Transformation Diet Recipe" Arina Ishihara / Korezo Price: ¥1300 "The 'Yase-Tama' Gut Health Diet: Taught by a Registered Dietitian Who Successfully Lost 10kg in Just 4 Months" Chihiro Kaseda Price: ¥1250 *Please purchase only if you understand that these are used items. *No individual sales or price negotiations; please consider purchasing at the listed price. *We do not accept claims or returns after the purchase is confirmed, so please check the product information before making a transaction. *Please note that the shipping method may be changed from Rakuraku Mercari Delivery to Yu-Yu Mercari Delivery depending on the circumstances. (´・Д・)」No comments needed, immediate purchase is okay. We will prioritize the person who completes the purchase process first.