Goodbye mother

Nao's family finds out she kidnapped Tsugami forcing Nao to decide to dissolve her adopted status sparing the family any potential repercussions if she is caught. Tsugami decides to runaway and return to Hokkaido as she does not want Nao to breakup with her family. Nao desperately searches for her by retreacing the steps she took with Tsugami on their way to Tokyo. In the end both Nao and Tsugami leave her step mom's home . . .