Koseki Aquila Raphael (小関章ラファエル, born in Chiba Prefecture, Japan) is a Japanese producer, story architect and Jungian scholar.
His scholastic interests span a wide spectrum: religion, theology, mythology, archetypology, digital content creation and film.
At the meantime, he decided to study graphic design abroad at the Académie Julian/ESAG (Ecole Supérieure d'Art Graphique) in Paris, France for two years.
In 1996, he established an independent record label and produced a CD featuring Satoko Yoshioka who played the "Christine" role in the Phantom of the Opera.
Since 1988, Koseki has been studying analytical psychology under Harumi Yamane, a Jungian analyst and diplomate candidate of C. G. Jung Institute in Zurich, Switzerland.