This concept is difficult.

I was surprised by his unexpected reaction.

It is said that his fortune reaches a trillion billion yen.

Mr. Takogai is my best friend.

He found a cowry on the beach.

His self-willedness sometimes troubles the people around him.

He was considering suicide, but with the help of a friend, he abandoned that thought.

Driven into a desperate situation, he chose to commit suicide.

Excessive use of smartphones can potentially lead to undesirable effects such as decreased vision.

This number exceeds one followed by 64 zeros.