Singer-songwriter Takaya Kawasaki is known for moving many audience members to tears with his voice. A book is published that explores his voice and expressive ability, sometimes described by music industry figures as "the most moving artist in Japan right now." His signature song "Maho no Jutan" surpasses 400 million cumulative streaming plays. With solo concerts scheduled this May at Osaka-jo Hall and Nippon Budokan, the number of fans wanting to hear his voice continues to grow. This book is a collection of essays entirely written by Takaya Kawasaki himself, reflecting on how he developed his exceptional expressive ability and voice as his strength. Looking back on his life, he candidly shares for the first time episodes of his experiences, setbacks, efforts, and techniques. The book also includes newly shot photographs. Photographer Taichi Nishimaki, who works with him on tours and projects, expresses Kawasaki's worldview. A book filled with Takaya Kawasaki's thoughts.