When Japan signed the Hague Convention on the Civil Aspects of International Child Abduction, the government enacted a new act to deal with international parental child abduction according to the Convention in the same year. The Ministries of Justice and Foreign Affairs were immediately in charge of making a draft Bill. Once the government and respective ministries had instantly set up the legal and administrative procedure for dealing with international family issue under the Convention, as some studies argue, simultaneous issues of the family in separation in Japan were underdeveloped. Employing a method of content analysis of the record of policy debates by authorities, observing both diplomatic and domestic frames referred in the debate in contrast, this paper highlights this law-making process delivered and elucidated continuous consecutive inquiries about radical questions of the current Japanese family law regarding the wellbeing of the changing families and their children in contemporary Japan.