Seiichi is my best friend.

Seiichi is my best friend.

He is a first-year student and is still not used to school life.

Uchuu-kun, have you finished your homework for today yet?

I am looking forward to the day we meet again.

I have to retake the exam.

He was drinking his morning coffee with a wakeful face.

There is a possibility that unknown lifeforms exist on this planet.

His work is full of vigour.

The study of artificial life is a new frontier in science.