He achieved an amazing Yakuman, surprising everyone.

I plan to go to the town hall tomorrow.

He is the driving force behind this project.

Is this translated text accurate?

He made a firm promise to meet me tomorrow.

He always bothers about me.

On a cold winter night, roasted sweet potatoes are the most delicious.

My favorite pottery is Shino ware.

It became clear that they had made a secret agreement.

They made a secret agreement in secret.