Otsuka is my best friend.

Matsukubo is my best friend.

He is a weakling, so he needs to build up his body.

Mr. Tsukahara is my best friend.

He pushed the door open with his hand.

He has a unique character.

The feline immunodeficiency virus can potentially have serious effects on a cat's health.

My cat has been infected with the feline immunodeficiency virus.

Ogura Hyakunin Isshu is one of the classical literatures of Japan.

He said, 'If you want to shoot a man, first shoot his horse,' and began to solve the smaller problems first.