Yusaku is my best friend.

Seisaku is my best friend.

As a preventative measure against the new coronavirus, we recommend washing hands and wearing masks.

We need to find a plan to make a breakthrough for this problem.

My house is near the mountains.

This is my grandparents' house.

My house is near the mountains.

My house is near the mountains.

He is a computer expert.

He lives in my brother's family's house.