He is a perfectionist, so he is very strict about his work.

He played a perfect fifth scale on the piano.

Please respond as soon as possible.

I learned the theory of commutative rings at university.

This metal has very high malleability.

Aika is my best friend.

He said, 'Even if you die in the evening, it's okay if you ask the way in the morning,' teaching me the importance of living each day to the fullest.