What art thou doing?

Hajime became father.

Mr. Kusanagi is my best friend.

We became the same group.

He used a powerful sorcery in Magic: The Gathering.

He had such incredible luck that he got a Tsuuiisou in Mahjong.

He picked up the smallsword and charged at the enemy.

In biochemistry, liposomes are often used to transport drugs into the body.

His speed is astonishing.

'素' is one of the basic characters in Japanese.