Sabikui Bisco, Vol. 4 (light novel)

A divine flower that eats...mushrooms?! In the heart of Kyushu lies the Six Realms Prison. There, an android with the ability to tame the ravenous Shroom-eating blossom dreams of freedom. For the sake of the Mushroom Keepers-- way of life, Bisco will have to break into the prison and bust out the one person capable of pruning this problem before it blooms out of control!