Sent_en: 2zh According to Japan's Act on nationality, a non-Japanese child (under 20) who was after its birth legitimated by marriage and acknowledgment can acquire Japanese nationality by filing notification, with some requirements which the plaintiffs had already fulfilled.
Sent_yy: 根据《日本国籍法》，非日本籍儿童（20岁以下）经婚姻和承认合法生育后，可以通过申报通知获得日本国籍，其中一些条件原告已经满足。