This bicycle uses a chromoly frame.

He studied history to understand the labor hardships experienced by ancient people.

A cronut is a combination of a donut and a croissant, and it's very delicious.

He is facing difficulties like a mountain of blackness.

He is making his own music by recording at home.

He always records music at home on weekends.

The Kuroshio Current plays a role in keeping the coastline of Japan warm.

Kurosawa is my best friend.

Let's take a look at the category of this book.

Kuroki is my best friend.