Tokyo Babylon Concepts

An esper (or ESP-er) is someone with psychic abilities. The concept is frequently used in a variety of anime series.

A ghost is a dead persons spirit that roams the earth usually attached to where they died or refusing to go to the after life until there are finished on earth.

Magic is an often used term in fiction. It is the concept of affecting the universe through supernatural methods and breaking the physical laws.

The act of taking another person's life.

An onmyouji is a sort of Japanese sorcerer. In anime and manga, they're able to cast spells, perform exorcisms, and contact spirits.