He showed the sign of the horns at the rock concert.

They (referring to women or girls) are my best friends.

He likes V-kei bands.

My TV comes with a V-chip feature.

The calculation of arcsine is a part of trigonometry.

When are you going to Japan?

When will you go to Japan?

He will help at any time.

Secret photography is prohibited by law.

He was arrested by the police on suspicion of taking voyeur photos.