【Main Contents】 Preface: Unconscious Bias Chapter 1: The End of the Male Breadwinner Society Chapter 2: Men's "Care" Labor Required for Achieving Gender Equality Chapter 3: Mothers' "Irritation" and Fathers' "Vagueness" -- The Pros and Cons of the "Ikumen" Boom Chapter 4: Home Education and the Inflation of the Father's Role Chapter 5: How Men Can Participate in Creating Harassment-Free Workplaces Chapter 6: Preventing Domestic Violence (DV) and Abuse with Society-Wide Efforts