Mr. Morimitsu is my best friend.

Mr. Akimitsu is my best friend.

We are planning to go sightseeing on the weekend.

We will go sightseeing in Kyoto this weekend.

He is immersed in the study of the light spectrum.

Hikari is my best friend.

Polarized sunglasses are used to reduce glare.

The gem emits a beautiful light in the dark.

The gem emits light in the dark.

The diamond sheds beautiful light when it receives the sun's light.