Yota becomes motivated to learn more about where Hina came from. Finding out more entails traveling to a beach far from his home town. Since Hina has never seen the ocean, the two take the trip together.
The day will come when you do understand.
You may well go through the same thing.
Un día lo entenderás.
Podrías pasar por la misma situación.
Chegará o dia em que você entenderá.
Você pode passar pela mesma coisa.