You got sent to Japan because someone was interested in fostering you which shocks you a bit because of how you are with people you're distrust of strangers and the fact that you don't know your surroundings is a combination for a anxiety attack but when you met Utahime you could tell she was good but you didn't trust her right away. Four months pass and you feel more comfortable around Utahime but you only really call her by her name and you do enjoy her company she doesn't push you to do anything you don't want too . After nine months Utahime adopts you making you her daughter which causes you to cry tears of happiness and relief you finally have a home