Purchased new from Amazon in 2024 and has been unread since. (Second photo) The cover appears slightly puffed up when viewed from the top. (Not due to reading) I believe this is because it has been stored at home for a year and a half. Author: Tomokazu Tokai First edition published: November 4, 2018 Seventh edition published: January 29, 2019 Publisher: President Inc. Price: ¥1,600 + tax (at the time of release) Please consider.