This chapter will consider the noteworthy changes in Japan’s peacekeeping policy under the second Abe administration (2012–2020), with special emphasis on the period between 2013 and 2017. Since its outset in the early 1990s, Japan’s peacekeeping policy had been gradually shaped by the trends of “integration” and the “robustness” in United Nations Peacekeeping Operations (UNPKOs), but various problems remained unsolved, especially in terms of “robustness.” With the return of Prime Minister Abe at the end of 2012, reforms to follow the trend of “robustness” were carried out as part of his all-inclusive renovation of Japan’s security policy, namely the Peace and Security Legislation, to resolve numerous long-standing problems in the field. With this in mind, this chapter starts by considering new developments in Japan’s security policy as a whole before examining how these sweeping reforms transformed the quality of Japan’s peacekeeping, paying special attention to the newly added roles, such as the “coming-to-aid” duty. This chapter will also trace moves toward “integration,” especially regarding the “All Japan” approach.