Gentaro Yumeno a.k.a. Phantom, is a novel author and the second member of Fling Posse. Age: 24 Gentaro has shaggy brown hair and green/purple eyes.

Gentaro is seen as having ‘outdated fashion’. He wears a white kosode and black undershirt, and grey hakama with a black obi and yellow cord. Over this he wears a black cape with a patterned purple underside, fastened with the Fling Posse gold star pin and chain. He wears black lace-up boots.