"The World's Easiest Textbook for Introverts" Yukari Inoue / Heisuke Motohashi #YukariInoue #Inoue_Yukari #HeisukeMotohashi #Motohashi_Heisuke #Book #Society/Management Purchased used, read once. There are no noticeable stains and it's in good condition, but please understand that it is a used item before purchasing. Instant purchase without comment is OK. ----------------------------- ✿ Packaging may use recycled boxes, envelopes, paper bags, etc. In such cases, clean materials will always be used. ✿ Shipping will basically be done from a convenience store, so it may take several hours for the shipping status to be reflected after the shipping notification. ✿ If the item remains unsold for a long period, the listing may be cancelled without notice. July 20, 2025