I am also selling on other platforms, so please comment before purchasing. ★ Single item purchases are not allowed. ★ If you consult about combining items, I will temporarily increase the price to prevent others from buying, but if you do not reply within 2 hours (or 1 hour if there are likes) after I reply, I will revert the price. Therefore, please make your inquiries when you have time or specify a time when you can reply smoothly. ★ Up to 6 books of regular size can be combined, so I will deduct 100 yen for combining 2 sets. 250 yen off for combining 3 sets. ★ There is no price change for combining used books with new releases in a set. (When requesting a combination, please specify the title of the new release and write that you want to combine it with the used book of ○○) You can also choose one book from the 2 books for 600 yen sale, excluding sets by the same author, but please "like" them to make them easier to find. ★ For combinations from the page "Bundling, Individual Sales Possible, Combination with Sets Including New Releases", +40 yen ★ For combinations from the 2023 release page, +100 yen ★ For combinations from the 2024 release page, +200 yen (In any case, combinations with sets of 800 yen or more will not change the price and will be combined) ★ For sets of new releases only, the set price will be a flat 1250 yen including shipping for sets in the 800 yen range. ★ Comments asking for the price based on the above are not allowed. If you want a new release set, I will immediately create a dedicated listing, so please purchase within 5 hours. ★ If you are undecided about which used books to combine, you can purchase first and choose them up to 2 days before the shipping deadline. Please check the applicable books below. ★ The author's name in the title is a new release. ★ Important requests regarding transactions are written, so please be sure to check the profile and, after agreeing, write "[Profile checked]" and send a brief message after purchasing. ★ For convenience store payments, please pay within 24 hours! ★ I will be mentally down if you decline after I calculate the price (T-T) ★ Declining after inquiry is not allowed. ★ Cancellations after shipping are not allowed. ★ Price reduction requests are not allowed.