The sound effects of this anime are very realistic.

My younger brother is currently in his third year of high school, preparing for university entrance exams.

Koushun is my best friend.

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

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.

He used to work as a miner when he was young.

He looked out over the wilderness and felt a sense of freedom and vastness.

We launched a large-scale advertising campaign to disseminate information about the new product.