The youngest daughter of the Midarezaki family. She is a jellyfish however she is able to do things that are unusual for a normal jellyfish such as writing letters or changing her bodys color according to her feelings. The subdirector of Supernatural Phenomenon Treatment Bureaus operation department went fishing caught her and DNAtested her for fun and it turned out that a mere jellyfish actually has Enkas DNA so she became a member of Peacefule Family Operation. Her real name and exact age is unknown. Occasionally a darkhaired female with crescentshaped insignia dressed in a manner of Heian period appears in the book and it is believed by some family members that she is Gekka.