Since he is always laughing, it can be said that 'fortune comes in by a merry gate'.

There is a proverb, 'a cornered rat will bite a cat,' which means that a person driven into a desperate situation will fight back even against an opponent they would normally fear.

Emperor Ōtarashihiko Oshiwa was the 10th emperor of Japan.

My cat has been infected with the feline immunodeficiency virus.