Various cultures exist under the sky, meaning in the whole world.

Tengawa is another name for the Milky Way galaxy where we live.

He is facing many difficulties due to gender identity disorder.

Gender discrimination is one of the social issues that needs to be resolved.

It's difficult to understand his real nature.

Rabbits are herbivorous animals.

Lions are carnivorous animals.

Education about sexual relations is important for young people to make healthy choices.

The basicity of this compound is very high.

He was born with a hereditary disease.