Marmo

Marmo (マーモ) is one of the members of the Selfish Trio and the only woman in the group. She first appears in the episode 1.

Plot
As she first appears in the first episode she apparently helps her partner by summoning a Jikochuu like Ira. She also has bat wings behind her ears like the rest of  the Selfish Trio.

Trivia

 * Her eye and hair color are the same as Ira's.
 * Her voice actress shares the same surname (Tanaka) with Ira's voice actress.
 * She seems to wear winter clothes everytime she appears.