Takeshi Kitano's book, "New Morality: Why Does Doing Good Feel Good?" is a work that discusses the state of morality in modern society from a unique perspective. This book emphasizes the importance of individuals having their own "personal morality" that they have thought about for themselves, rather than imposed morality. Main Contents: * Chapter 1: Morality is Open to Criticism Points out how morality changes with the times and its contradictions. * Chapter 2: The Rabbit Doesn't Bother with the Tortoise Discusses changes in human relationships and values in modern society. * Chapter 3: Did Primitive People Have a Sense of Morality? Examines the origins and evolution of morality. * Chapter 4: Create Your Own Morality The necessity of constructing one's own morality, rather than being imposed by others. * Chapter 5: Has Humanity Morally Degraded? Addresses environmental issues and the morality of society as a whole, proposing new values that humanity should consider. Takeshi Kitano, based on the changing values of the times and society, advocates for "a flexible way of life that is not bound by a single set of values."