This mutetrahedron plays a very important role in the world of mathematics.

He is studying Kanji.

This world where people live is beautiful, and sometimes harsh.

He offered a prayer to the god of Kagoshima.

She tried to recreate the ancient hairstyle called 'Kanmuri'.

The kanji '凵' is a radical that represents a box.

His perception was sharp, and he immediately saw through the lie.

He had a golden crown on his head.

Kanmuri is my best friend.

On cold days, warm coffee is the best.