Shun Aonuma

Another one of Saki's childhood friends. Shun is very clever, with a strong intellectual curiosity and mature manners. His marks in magic are excellent at Saint Academy, and many have high hopes for his future. According to Satoru, Shun is the most talented at using the Force in their group.

As he grew older he starts to date Satoru, but broke up with him.

He later becomes a Karma Demon.

He dies after confessing to Saki that he has always loved her.
(Source: Wikipedia, Crunchyroll)