“…Namely, for JSL children, Japanese is the dominant societal language that they need to acquire to live, study, and work in Japan, whereas for JHL children, Japanese is their home language that they often struggle to develop or maintain. Different labels such as home-background speakers (Koshiba & Kurata, 2012), mixed-heritage background speakers (Shin, 2010), linguistic minority children (Oriyama, 2011), culturally and linguistically diverse children (Nakajima & Sano, 2016), and transnational children (Langager, 2010; Shao-Kobayashi, 2013) are used to refer to JHL learners, who exhibit substantial individual differences in their linguistic and ethnocultural repertoires. Regardless of the labels, however, the majority of them identify themselves as neither fully Japanese nor native citizens of their residence country and demonstrate varying levels of heritage speakers’ traits (Mori & Calder, 2015).…”