Y/n Nakamachi is the younger sister of Asuka Nakamachi. Shes 15 years old and goes to an alternative school. Y/n Nakamachi hasn't been able to talk because she is mute since she was bullied,Used for being a fake friend, Controlled by her best friend Sakura. So, Minato from Chaney has been there for her since his debut. In y/n's past she wants to be able to speak to anyone in Korean except for her South Korean family who she is very close with Korean family from SM Entertainment-NCT 127, NCT U , NCT DREAM, WAYV, & NCT DOJAEJUNG (NCT). If anyone makes y/n feel left out or not happy. All of NCT, 8loom and Chayney will come and make sure she is happy and not upset about anything that she says or do.