They are always lovey-dovey, and I'm very envious.

They are always being affectionate.

The legend of Beelzebub has been handed down from ancient times.

Gyōbu was a part of the ancient Japanese government system.

This is my unused camera.

This forest is enveloped in quiet.

Sexual harassment is an absolutely unacceptable act.

I have to take a semen test.

Esperanto is one of the most famous international auxiliary languages.

Red dwarfs are the most common type of star in the universe.