Kei's very lucky! He has been since his birth.

Ah, could we swap our mobile numbers next time?

My friend Kei is beautiful, but she is not considerate to others.

Professor Kay has been studying insects for forty years.

It was not until Kay received the doll that she stopped crying.

There's a Mr Kay wants to see you.

Whenever I'm in trouble, my friend Kei always appears out of nowhere to help.