High-quality educational materials set for mastering native English conversation in a short period. - Set Contents: EVERYDAY ENGLISH educational materials, 9 books - Number of Discs: 5-6 discs x 4 cases + 1 case - Purpose of the materials: Materials for mastering native English conversation in a short period - Colors: Blue, Black, Orange, Green, Brown - Volumes: VOL.1, VOL.2, VOL.3, VOL.4 There are 5 DVDs, each with 1-6 discs. The first orange disc has been opened, but the rest are unopened. Purchased as a set for 37,600 yen, but I would like to sell it for 20,000 yen. Thank you for looking.