Kaharu is my best friend.

His way of speaking has a lot of guttural sounds, it's very distinctive.

The sound effects of this anime are very realistic.

Koushun is my best friend.

I make it a point to drink mineral water every day.

My favorite fruit is Kosui pear.

I was fascinated by the beauty of the Yangtze water.

Visible light is the range of light visible to the human eye.

He is attending a prep school for university entrance exams.

Gojoseon was the oldest dynasty in East Asia.