Elections are held in my area under the small electoral district system.

He conducted many election campaigns to win in the gutter board election.

The United Nations Security Council plays a crucial role in maintaining world peace and security.

This equation has homogeneity.

Solving a linear equation is difficult.

Keijiro is my best friend.

Sennenji is my best friend.

He always sticks his nose into other people's business like a busybody.

He was affected by secondary effects.

He enjoys derivative works of anime.