Women in Japan period to 100 days and allows any woman who is not pregnant during the divorce to remarry immediately after divorce. The Civil Code of Japan requires legally married spouses to have the same surname. Although the law is gender-neutral, meaning that either spouse is allowed to change his/her name to that of the other spouse, Japanese women have traditionally adopt their husband’s family name and 96% of women continue to do so as of 2015. In 2015, the Japanese Supreme Court upheld the constitutionality of the law, noting that women could use their maiden names informally, and stating that it
Only One (BoA song) no Mikata and as the commercial song for music.jp. Only One (BoA song) "Only One" is the 32nd Japanese single from South Korean singer BoA. The song was released in both Korean and Japanese. It is the lead single of BoA's 2012 Korean album of the same name, "Only One". The track was released on February 27, 2013. The B-side of the Japanese single is a Japanese version of the Korean song "The Shadow". On August 7, 2012, BoA stated in a fan meeting that she would be releasing the Japanese version of "Only One" in the winter of 2012–2013.