He is struggling with a methamphetamine addiction.

Rino is my best friend.

My room is the quietest in the house.

There are three boys named Akira in the class.

We worked together to achieve our goal.

Mr. Kusanagi is my best friend.

There is a specific rule in this game.

This room is overflowing with happiness.

In this factory, they melt iron using an electric arc furnace.

He fractured his intermediate cuneiform bone in his foot.