I took it out of the bag, but only looked at it once. It's as good as new!! Day-by-day calendar Kiki & Lala's "Happiness Theory" 31 Steps to Happiness Edited by Asahi Bunko Editorial Department ISBN: 9784022520968 Price: 1320 yen (tax included) Release date: November 7, 2025 A6 size, softcover, 32 pages The "Ichigo Keywords" series, which is very popular for allowing you to enjoy the essence of famous books, has become a day-by-day calendar! Inspired by the words of the philosopher Alain, find "happiness" through your own actions. 31 days' worth of thought-provoking hints that you can use forever and that will encourage you every day!