Two-book set by Hiroyuki Itsuki * The Bluebird's Destination → How do we create the bluebird within our hearts, which is necessary to survive in this society? * Hints for Living → How can we, who are weak and lost, live with a little more energy and confidence? Exploring hints for that. Purchased a while ago, read a few times, and then kept on a bookshelf. This is a used item with scratches, yellowing, and stains. Please purchase if you understand this.