During summer vacation, I will go to the beach.

There is a secret between him and me.

I was friends with her for 10 years.

There is a deep bond between him and me.

My paternal grandfather once traveled all over Japan when he was young.

My great-grandfather was a doctor.

My great-grandfather was a doctor.

My great-grandfather was a doctor.

My great-grandfather used to do farming in the past.

He was born as an illegitimate child and experienced many difficulties.