Ailey is an angel, cast out by her people. On her quest to find a place where she can fit in, she meet the great demon Earl Raum Michaelis and wage a bet that will change her life forever.

Yui Tsukigawa is an incurable loner. She likes games more than people and she's never had a real friend. She created an avatar under the name of Dice Amarante - Justice Flower That Never Fades - and became one of the unsuspecting players who got stuck in the world of Sword Art Online.

Matsumoto Ayame was born in Tokyo, but on her ninth birthday her father lost his life in a terrible accident. After that her life took a sharp turn for the worst. Once it's time for Ayame to start high school she takes the chance to escape her hell. She return to Tokyo to start her new life as a student of Seirin High.

Berk - It's twelve days north of Hopeless and a few degrees south of Freezing to Death. It's located solidly on the Meridian od Misery and is about three weeks on dragonback south of our main camp. I'm Aliane, a proud member of the Dragonrider clan - a clan who's sole purpose is to live and train with dragons.

Ai Kurosawa is a regular ten year old about to start her journey towards fulfilling her dream of becoming a gym leader.

The Minami twins were born in 20th century japan, in Tokyo. The twins, born as complete opposite, an angel and a demon both died premature deaths, but ended up not reuniting after their unfortunate fate had separated them until nearly one century later.