She often reads books on spirituality.

She is deeply devoted to the New Age spirituality.

He loves 'Narou-kei' novels and reads them every day.

Because her immune system is weak, she catches a cold easily.

He loves visual kei bands.

We are a part of the Milky Way.

He found her on a dating website.

The Solar System is composed of eight planets, including Earth.

In this experiment, we will use the International System of Units.

He is deeply involved in the study of the meridian system.