From the back cover:
In the myriad realms of imagination, there are an infinite number of fascinating worlds waiting to be discovered.
BESM FOURTH EDITION helps you explore them all. Welcome to Big Eyes, Small Mouth – the multi-genre role-playing game for
all your anime and manga adventures!
Whether your gaming preference runs towards comedy or drama, fantasy or science fiction, horror or romance,shojo or shonen, BESM Fourth Edition has everything you need to help you make your favourite anime and manga characters and stories come to life.