Osamu is my best friend.

Shu never missed a day of training, striving to maintain his self-discipline.

This circle looks perfect.

Maru is my best friend.

He cut the log and burned it in the fireplace.

He got hooked on that game.

This design incorporates rounded corners, giving a sense of elegance.

That apple is very round.

This bridge is made of silicon steel.

This building is strengthened by using silicon steel.