In the real world, Bear is a famous author and novelist named Ryo Sakuma. He is the author of the acclaimed novel "Annwn" and is in his mid forties. Divorced from his wife, he is constantly pestered by his adult son, Teddy in The World, with demands for money, demands that he usually gives into. Following the events of SIGN, he became An Shoji's legal guardian, and is using his money to support her as she attends boarding school.
Aside from playing The World, Bear enjoys reading books by famous authors, as well as writing books of his own. He is also a fan of the theatre. He smokes as well. His computer is equipped with various dictionaries which enable him to search required information.