Ryuma is my best friend.

Ryutaro is my best friend.

Ryusoku is my best friend.

He likes to take a walk in the park at dusk.

This perfume uses expensive ambergris.

We should always remember the power of Kannon in difficult times.

His efforts were like a mantis trying to stop a chariot, he couldn't achieve any results.

He was delighted with the unexpected profit, saying 'When the wind blows, the cooper profits.'

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.