Monster Girl Encyclopedia Stories: Shadow and Light Symphony (影と光のシンフォニー) is a 332-page novel in the Monster Girl Encyclopedia series. Unlike the Encyclopedia itself or the World Guides, this book focuses on a single protagonist and his interactions with a doppelganger. This Stories book is authored by The Dullahan's Groom with artwork by Sudeo.
This book is a story by another author which Kenkou has given personal approval to by providing endorsement and publication under the Monster Girl Encyclopedia name. This work is not a part of the primary universe canon but takes place in an alternate universe that adheres to the same rules.