Rewrite

The story follows the life of Kotarou Tennouji, a high school student with superhuman abilities who investigates supernatural mysteries with five girls from his school. This ultimately leads him into the middle of a conflict between demon summoners and superhumans searching for a demon girl named Kagari who is the key to intelligent life and its destruction on Earth. Source: Wikipedia, "Rewrite (visual novel)", available under the CC-BY-SA License.